Home / 684,839.10-1,027,258.65-310,862.10

Finding the Fourth Proportional to 684,839.10, 1,027,258.65 and 310,862.10

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Solution

The fourth proportional to 684,839.10, 1,027,258.65 and 310,862.10 is: 466,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,839.10 : 1,027,258.65 = 310,862.10 : x
  2. Step 2: Convert to fraction form
    684,839.10/1,027,258.65 = 310,862.10/x
  3. Step 3: Cross multiply
    684,839.10x = 1,027,258.65 × 310,862.10
  4. Step 4: Simplify right side
    684,839.10x = 319,335,781,182.17
  5. Step 5: Solve for x
    x = 319,335,781,182.17/684,839.10
  6. Step 6: Final answer
    x = 466,293.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.