Home / 749,471.10-1,034,607.84-477,904.02

Finding the Fourth Proportional to 749,471.10, 1,034,607.84 and 477,904.02

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Solution

The fourth proportional to 749,471.10, 1,034,607.84 and 477,904.02 is: 659,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,471.10 : 1,034,607.84 = 477,904.02 : x
  2. Step 2: Convert to fraction form
    749,471.10/1,034,607.84 = 477,904.02/x
  3. Step 3: Cross multiply
    749,471.10x = 1,034,607.84 × 477,904.02
  4. Step 4: Simplify right side
    749,471.10x = 494,443,245,859.52
  5. Step 5: Solve for x
    x = 494,443,245,859.52/749,471.10
  6. Step 6: Final answer
    x = 659,722.90

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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.