Home / 880,464.12-1,215,044.96-498,565.32

Finding the Fourth Proportional to 880,464.12, 1,215,044.96 and 498,565.32

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Solution

The fourth proportional to 880,464.12, 1,215,044.96 and 498,565.32 is: 688,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,464.12 : 1,215,044.96 = 498,565.32 : x
  2. Step 2: Convert to fraction form
    880,464.12/1,215,044.96 = 498,565.32/x
  3. Step 3: Cross multiply
    880,464.12x = 1,215,044.96 × 498,565.32
  4. Step 4: Simplify right side
    880,464.12x = 605,779,279,296.79
  5. Step 5: Solve for x
    x = 605,779,279,296.79/880,464.12
  6. Step 6: Final answer
    x = 688,022.68

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1.5x scale

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.