Home / 968,320.38-1,336,250.06-538,588.38

Finding the Fourth Proportional to 968,320.38, 1,336,250.06 and 538,588.38

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Solution

The fourth proportional to 968,320.38, 1,336,250.06 and 538,588.38 is: 743,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,320.38 : 1,336,250.06 = 538,588.38 : x
  2. Step 2: Convert to fraction form
    968,320.38/1,336,250.06 = 538,588.38/x
  3. Step 3: Cross multiply
    968,320.38x = 1,336,250.06 × 538,588.38
  4. Step 4: Simplify right side
    968,320.38x = 719,688,755,090.30
  5. Step 5: Solve for x
    x = 719,688,755,090.30/968,320.38
  6. Step 6: Final answer
    x = 743,234.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.