Home / 497,289.20-745,933.80-123,312.20

Finding the Fourth Proportional to 497,289.20, 745,933.80 and 123,312.20

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Solution

The fourth proportional to 497,289.20, 745,933.80 and 123,312.20 is: 184,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,289.20 : 745,933.80 = 123,312.20 : x
  2. Step 2: Convert to fraction form
    497,289.20/745,933.80 = 123,312.20/x
  3. Step 3: Cross multiply
    497,289.20x = 745,933.80 × 123,312.20
  4. Step 4: Simplify right side
    497,289.20x = 91,982,737,932.36
  5. Step 5: Solve for x
    x = 91,982,737,932.36/497,289.20
  6. Step 6: Final answer
    x = 184,968.30

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Similar ratio
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1.5x scale

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.