Home / 743,506.70-1,114,633.10-322,465.46

Finding the Fourth Proportional to 743,506.70, 1,114,633.10 and 322,465.46

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Solution

The fourth proportional to 743,506.70, 1,114,633.10 and 322,465.46 is: 483,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,506.70 : 1,114,633.10 = 322,465.46 : x
  2. Step 2: Convert to fraction form
    743,506.70/1,114,633.10 = 322,465.46/x
  3. Step 3: Cross multiply
    743,506.70x = 1,114,633.10 × 322,465.46
  4. Step 4: Simplify right side
    743,506.70x = 359,430,675,322.73
  5. Step 5: Solve for x
    x = 359,430,675,322.73/743,506.70
  6. Step 6: Final answer
    x = 483,426.28

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Double scale
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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.