Home / 906,296.77-1,250,335.56-518,905.15

Finding the Fourth Proportional to 906,296.77, 1,250,335.56 and 518,905.15

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Solution

The fourth proportional to 906,296.77, 1,250,335.56 and 518,905.15 is: 715,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,296.77 : 1,250,335.56 = 518,905.15 : x
  2. Step 2: Convert to fraction form
    906,296.77/1,250,335.56 = 518,905.15/x
  3. Step 3: Cross multiply
    906,296.77x = 1,250,335.56 × 518,905.15
  4. Step 4: Simplify right side
    906,296.77x = 648,805,564,437.97
  5. Step 5: Solve for x
    x = 648,805,564,437.97/906,296.77
  6. Step 6: Final answer
    x = 715,886.43

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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.