Home / 840,729.03-1,160,234.07-458,776.77

Finding the Fourth Proportional to 840,729.03, 1,160,234.07 and 458,776.77

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Solution

The fourth proportional to 840,729.03, 1,160,234.07 and 458,776.77 is: 633,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,729.03 : 1,160,234.07 = 458,776.77 : x
  2. Step 2: Convert to fraction form
    840,729.03/1,160,234.07 = 458,776.77/x
  3. Step 3: Cross multiply
    840,729.03x = 1,160,234.07 × 458,776.77
  4. Step 4: Simplify right side
    840,729.03x = 532,288,439,078.55
  5. Step 5: Solve for x
    x = 532,288,439,078.55/840,729.03
  6. Step 6: Final answer
    x = 633,127.23

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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.