Home / 559,487.20-772,096.08-304,837.60

Finding the Fourth Proportional to 559,487.20, 772,096.08 and 304,837.60

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Solution

The fourth proportional to 559,487.20, 772,096.08 and 304,837.60 is: 420,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,487.20 : 772,096.08 = 304,837.60 : x
  2. Step 2: Convert to fraction form
    559,487.20/772,096.08 = 304,837.60/x
  3. Step 3: Cross multiply
    559,487.20x = 772,096.08 × 304,837.60
  4. Step 4: Simplify right side
    559,487.20x = 235,363,915,996.61
  5. Step 5: Solve for x
    x = 235,363,915,996.61/559,487.20
  6. Step 6: Final answer
    x = 420,677.93

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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.