Home / 499,296.08-688,860.36-284,284.04

Finding the Fourth Proportional to 499,296.08, 688,860.36 and 284,284.04

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Solution

The fourth proportional to 499,296.08, 688,860.36 and 284,284.04 is: 392,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,296.08 : 688,860.36 = 284,284.04 : x
  2. Step 2: Convert to fraction form
    499,296.08/688,860.36 = 284,284.04/x
  3. Step 3: Cross multiply
    499,296.08x = 688,860.36 × 284,284.04
  4. Step 4: Simplify right side
    499,296.08x = 195,832,006,136.65
  5. Step 5: Solve for x
    x = 195,832,006,136.65/499,296.08
  6. Step 6: Final answer
    x = 392,216.19

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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.