Home / 877,617.28-1,316,902.20-372,462.40

Finding the Fourth Proportional to 877,617.28, 1,316,902.20 and 372,462.40

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Solution

The fourth proportional to 877,617.28, 1,316,902.20 and 372,462.40 is: 558,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,617.28 : 1,316,902.20 = 372,462.40 : x
  2. Step 2: Convert to fraction form
    877,617.28/1,316,902.20 = 372,462.40/x
  3. Step 3: Cross multiply
    877,617.28x = 1,316,902.20 × 372,462.40
  4. Step 4: Simplify right side
    877,617.28x = 490,496,553,977.28
  5. Step 5: Solve for x
    x = 490,496,553,977.28/877,617.28
  6. Step 6: Final answer
    x = 558,895.73

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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.