Home / 781,867.52-1,078,310.40-601,017.60

Finding the Fourth Proportional to 781,867.52, 1,078,310.40 and 601,017.60

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Solution

The fourth proportional to 781,867.52, 1,078,310.40 and 601,017.60 is: 828,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,867.52 : 1,078,310.40 = 601,017.60 : x
  2. Step 2: Convert to fraction form
    781,867.52/1,078,310.40 = 601,017.60/x
  3. Step 3: Cross multiply
    781,867.52x = 1,078,310.40 × 601,017.60
  4. Step 4: Simplify right side
    781,867.52x = 648,083,528,663.04
  5. Step 5: Solve for x
    x = 648,083,528,663.04/781,867.52
  6. Step 6: Final answer
    x = 828,891.74

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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.