Home / 915,624.96-1,373,057.28-354,336

Finding the Fourth Proportional to 915,624.96, 1,373,057.28 and 354,336

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Solution

The fourth proportional to 915,624.96, 1,373,057.28 and 354,336 is: 531,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,624.96 : 1,373,057.28 = 354,336 : x
  2. Step 2: Convert to fraction form
    915,624.96/1,373,057.28 = 354,336/x
  3. Step 3: Cross multiply
    915,624.96x = 1,373,057.28 × 354,336
  4. Step 4: Simplify right side
    915,624.96x = 486,523,624,366.08
  5. Step 5: Solve for x
    x = 486,523,624,366.08/915,624.96
  6. Step 6: Final answer
    x = 531,356.88

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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.