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Finding the Fourth Proportional to 516,501.30, 774,751.95 and 348,539.70

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Solution

The fourth proportional to 516,501.30, 774,751.95 and 348,539.70 is: 522,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,501.30 : 774,751.95 = 348,539.70 : x
  2. Step 2: Convert to fraction form
    516,501.30/774,751.95 = 348,539.70/x
  3. Step 3: Cross multiply
    516,501.30x = 774,751.95 × 348,539.70
  4. Step 4: Simplify right side
    516,501.30x = 270,031,812,227.42
  5. Step 5: Solve for x
    x = 270,031,812,227.42/516,501.30
  6. Step 6: Final answer
    x = 522,809.55

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Similar ratio
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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.