Home / 672,073.80-1,008,110.70-656,327.40

Finding the Fourth Proportional to 672,073.80, 1,008,110.70 and 656,327.40

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Solution

The fourth proportional to 672,073.80, 1,008,110.70 and 656,327.40 is: 984,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,073.80 : 1,008,110.70 = 656,327.40 : x
  2. Step 2: Convert to fraction form
    672,073.80/1,008,110.70 = 656,327.40/x
  3. Step 3: Cross multiply
    672,073.80x = 1,008,110.70 × 656,327.40
  4. Step 4: Simplify right side
    672,073.80x = 661,650,674,643.18
  5. Step 5: Solve for x
    x = 661,650,674,643.18/672,073.80
  6. Step 6: Final answer
    x = 984,491.10

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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.