Home / 880,693.08-1,215,356.40-498,793.68

Finding the Fourth Proportional to 880,693.08, 1,215,356.40 and 498,793.68

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Solution

The fourth proportional to 880,693.08, 1,215,356.40 and 498,793.68 is: 688,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,693.08 : 1,215,356.40 = 498,793.68 : x
  2. Step 2: Convert to fraction form
    880,693.08/1,215,356.40 = 498,793.68/x
  3. Step 3: Cross multiply
    880,693.08x = 1,215,356.40 × 498,793.68
  4. Step 4: Simplify right side
    880,693.08x = 606,212,091,267.55
  5. Step 5: Solve for x
    x = 606,212,091,267.55/880,693.08
  6. Step 6: Final answer
    x = 688,335.25

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Double scale
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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.