Home / 767,654.71-1,059,360.40-423,512.03

Finding the Fourth Proportional to 767,654.71, 1,059,360.40 and 423,512.03

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Solution

The fourth proportional to 767,654.71, 1,059,360.40 and 423,512.03 is: 584,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,654.71 : 1,059,360.40 = 423,512.03 : x
  2. Step 2: Convert to fraction form
    767,654.71/1,059,360.40 = 423,512.03/x
  3. Step 3: Cross multiply
    767,654.71x = 1,059,360.40 × 423,512.03
  4. Step 4: Simplify right side
    767,654.71x = 448,651,873,505.61
  5. Step 5: Solve for x
    x = 448,651,873,505.61/767,654.71
  6. Step 6: Final answer
    x = 584,444.89

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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.