Home / 763,633.80-1,145,159.10-230,977.80

Finding the Fourth Proportional to 763,633.80, 1,145,159.10 and 230,977.80

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Solution

The fourth proportional to 763,633.80, 1,145,159.10 and 230,977.80 is: 346,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,633.80 : 1,145,159.10 = 230,977.80 : x
  2. Step 2: Convert to fraction form
    763,633.80/1,145,159.10 = 230,977.80/x
  3. Step 3: Cross multiply
    763,633.80x = 1,145,159.10 × 230,977.80
  4. Step 4: Simplify right side
    763,633.80x = 264,506,329,567.98
  5. Step 5: Solve for x
    x = 264,506,329,567.98/763,633.80
  6. Step 6: Final answer
    x = 346,378.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.