Home / 775,675.49-1,163,513.23-243,239.40

Finding the Fourth Proportional to 775,675.49, 1,163,513.23 and 243,239.40

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Solution

The fourth proportional to 775,675.49, 1,163,513.23 and 243,239.40 is: 364,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,675.49 : 1,163,513.23 = 243,239.40 : x
  2. Step 2: Convert to fraction form
    775,675.49/1,163,513.23 = 243,239.40/x
  3. Step 3: Cross multiply
    775,675.49x = 1,163,513.23 × 243,239.40
  4. Step 4: Simplify right side
    775,675.49x = 283,012,259,349.16
  5. Step 5: Solve for x
    x = 283,012,259,349.16/775,675.49
  6. Step 6: Final answer
    x = 364,859.10

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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.