Home / 810,909.08-1,118,808.92-565,887.32

Finding the Fourth Proportional to 810,909.08, 1,118,808.92 and 565,887.32

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Solution

The fourth proportional to 810,909.08, 1,118,808.92 and 565,887.32 is: 780,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,909.08 : 1,118,808.92 = 565,887.32 : x
  2. Step 2: Convert to fraction form
    810,909.08/1,118,808.92 = 565,887.32/x
  3. Step 3: Cross multiply
    810,909.08x = 1,118,808.92 × 565,887.32
  4. Step 4: Simplify right side
    810,909.08x = 633,119,781,330.89
  5. Step 5: Solve for x
    x = 633,119,781,330.89/810,909.08
  6. Step 6: Final answer
    x = 780,753.10

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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.