Home / 770,854.91-1,063,076.85-661,925.03

Finding the Fourth Proportional to 770,854.91, 1,063,076.85 and 661,925.03

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Solution

The fourth proportional to 770,854.91, 1,063,076.85 and 661,925.03 is: 912,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,854.91 : 1,063,076.85 = 661,925.03 : x
  2. Step 2: Convert to fraction form
    770,854.91/1,063,076.85 = 661,925.03/x
  3. Step 3: Cross multiply
    770,854.91x = 1,063,076.85 × 661,925.03
  4. Step 4: Simplify right side
    770,854.91x = 703,677,170,513.17
  5. Step 5: Solve for x
    x = 703,677,170,513.17/770,854.91
  6. Step 6: Final answer
    x = 912,852.95

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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.