Home / 780,138.30-1,167,615.45-566,298.30

Finding the Fourth Proportional to 780,138.30, 1,167,615.45 and 566,298.30

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Solution

The fourth proportional to 780,138.30, 1,167,615.45 and 566,298.30 is: 847,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,138.30 : 1,167,615.45 = 566,298.30 : x
  2. Step 2: Convert to fraction form
    780,138.30/1,167,615.45 = 566,298.30/x
  3. Step 3: Cross multiply
    780,138.30x = 1,167,615.45 × 566,298.30
  4. Step 4: Simplify right side
    780,138.30x = 661,218,644,388.74
  5. Step 5: Solve for x
    x = 661,218,644,388.74/780,138.30
  6. Step 6: Final answer
    x = 847,565.93

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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.