Home / 498,788.25-688,081.15-294,740.45

Finding the Fourth Proportional to 498,788.25, 688,081.15 and 294,740.45

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Solution

The fourth proportional to 498,788.25, 688,081.15 and 294,740.45 is: 406,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,788.25 : 688,081.15 = 294,740.45 : x
  2. Step 2: Convert to fraction form
    498,788.25/688,081.15 = 294,740.45/x
  3. Step 3: Cross multiply
    498,788.25x = 688,081.15 × 294,740.45
  4. Step 4: Simplify right side
    498,788.25x = 202,805,347,787.52
  5. Step 5: Solve for x
    x = 202,805,347,787.52/498,788.25
  6. Step 6: Final answer
    x = 406,596.08

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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.