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Finding the Fourth Proportional to 520,200.30, 727,347.30 and 520,200.30

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Solution

The fourth proportional to 520,200.30, 727,347.30 and 520,200.30 is: 727,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,200.30 : 727,347.30 = 520,200.30 : x
  2. Step 2: Convert to fraction form
    520,200.30/727,347.30 = 520,200.30/x
  3. Step 3: Cross multiply
    520,200.30x = 727,347.30 × 520,200.30
  4. Step 4: Simplify right side
    520,200.30x = 378,366,283,664.19
  5. Step 5: Solve for x
    x = 378,366,283,664.19/520,200.30
  6. Step 6: Final answer
    x = 727,347.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.