Home / 672,326.40-1,008,489.60-610,118.40

Finding the Fourth Proportional to 672,326.40, 1,008,489.60 and 610,118.40

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Solution

The fourth proportional to 672,326.40, 1,008,489.60 and 610,118.40 is: 915,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.40 : 1,008,489.60 = 610,118.40 : x
  2. Step 2: Convert to fraction form
    672,326.40/1,008,489.60 = 610,118.40/x
  3. Step 3: Cross multiply
    672,326.40x = 1,008,489.60 × 610,118.40
  4. Step 4: Simplify right side
    672,326.40x = 615,298,061,168.64
  5. Step 5: Solve for x
    x = 615,298,061,168.64/672,326.40
  6. Step 6: Final answer
    x = 915,177.60

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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.