Home / 669,769.12-1,005,045.36-249,342.88

Finding the Fourth Proportional to 669,769.12, 1,005,045.36 and 249,342.88

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Solution

The fourth proportional to 669,769.12, 1,005,045.36 and 249,342.88 is: 374,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,769.12 : 1,005,045.36 = 249,342.88 : x
  2. Step 2: Convert to fraction form
    669,769.12/1,005,045.36 = 249,342.88/x
  3. Step 3: Cross multiply
    669,769.12x = 1,005,045.36 × 249,342.88
  4. Step 4: Simplify right side
    669,769.12x = 250,600,904,593.04
  5. Step 5: Solve for x
    x = 250,600,904,593.04/669,769.12
  6. Step 6: Final answer
    x = 374,160.14

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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.