Home / 901,250.52-1,243,640.68-538,602.20

Finding the Fourth Proportional to 901,250.52, 1,243,640.68 and 538,602.20

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Solution

The fourth proportional to 901,250.52, 1,243,640.68 and 538,602.20 is: 743,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,250.52 : 1,243,640.68 = 538,602.20 : x
  2. Step 2: Convert to fraction form
    901,250.52/1,243,640.68 = 538,602.20/x
  3. Step 3: Cross multiply
    901,250.52x = 1,243,640.68 × 538,602.20
  4. Step 4: Simplify right side
    901,250.52x = 669,827,606,257.50
  5. Step 5: Solve for x
    x = 669,827,606,257.50/901,250.52
  6. Step 6: Final answer
    x = 743,220.22

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Double scale
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1.5x scale

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.