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Finding the Fourth Proportional to 498,888.24, 688,455.24 and 284,025.24

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Solution

The fourth proportional to 498,888.24, 688,455.24 and 284,025.24 is: 391,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,888.24 : 688,455.24 = 284,025.24 : x
  2. Step 2: Convert to fraction form
    498,888.24/688,455.24 = 284,025.24/x
  3. Step 3: Cross multiply
    498,888.24x = 688,455.24 × 284,025.24
  4. Step 4: Simplify right side
    498,888.24x = 195,538,664,770.26
  5. Step 5: Solve for x
    x = 195,538,664,770.26/498,888.24
  6. Step 6: Final answer
    x = 391,948.84

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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.