Home / 977,104.08-1,465,849.20-472,016.40

Finding the Fourth Proportional to 977,104.08, 1,465,849.20 and 472,016.40

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Solution

The fourth proportional to 977,104.08, 1,465,849.20 and 472,016.40 is: 708,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,104.08 : 1,465,849.20 = 472,016.40 : x
  2. Step 2: Convert to fraction form
    977,104.08/1,465,849.20 = 472,016.40/x
  3. Step 3: Cross multiply
    977,104.08x = 1,465,849.20 × 472,016.40
  4. Step 4: Simplify right side
    977,104.08x = 691,904,862,326.88
  5. Step 5: Solve for x
    x = 691,904,862,326.88/977,104.08
  6. Step 6: Final answer
    x = 708,117.87

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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.