Home / 898,658.20-1,348,379.34-477,440.92

Finding the Fourth Proportional to 898,658.20, 1,348,379.34 and 477,440.92

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Solution

The fourth proportional to 898,658.20, 1,348,379.34 and 477,440.92 is: 716,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,658.20 : 1,348,379.34 = 477,440.92 : x
  2. Step 2: Convert to fraction form
    898,658.20/1,348,379.34 = 477,440.92/x
  3. Step 3: Cross multiply
    898,658.20x = 1,348,379.34 × 477,440.92
  4. Step 4: Simplify right side
    898,658.20x = 643,771,472,598.59
  5. Step 5: Solve for x
    x = 643,771,472,598.59/898,658.20
  6. Step 6: Final answer
    x = 716,369.66

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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.