Home / 499,207.84-688,827.18-284,352.16

Finding the Fourth Proportional to 499,207.84, 688,827.18 and 284,352.16

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Solution

The fourth proportional to 499,207.84, 688,827.18 and 284,352.16 is: 392,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,207.84 : 688,827.18 = 284,352.16 : x
  2. Step 2: Convert to fraction form
    499,207.84/688,827.18 = 284,352.16/x
  3. Step 3: Cross multiply
    499,207.84x = 688,827.18 × 284,352.16
  4. Step 4: Simplify right side
    499,207.84x = 195,869,496,499.71
  5. Step 5: Solve for x
    x = 195,869,496,499.71/499,207.84
  6. Step 6: Final answer
    x = 392,360.62

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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.