Home / 672,023.90-1,008,035.85-459,134.30

Finding the Fourth Proportional to 672,023.90, 1,008,035.85 and 459,134.30

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Solution

The fourth proportional to 672,023.90, 1,008,035.85 and 459,134.30 is: 688,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,023.90 : 1,008,035.85 = 459,134.30 : x
  2. Step 2: Convert to fraction form
    672,023.90/1,008,035.85 = 459,134.30/x
  3. Step 3: Cross multiply
    672,023.90x = 1,008,035.85 × 459,134.30
  4. Step 4: Simplify right side
    672,023.90x = 462,823,834,364.66
  5. Step 5: Solve for x
    x = 462,823,834,364.66/672,023.90
  6. Step 6: Final answer
    x = 688,701.45

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Similar ratio
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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.