Home / 880,026.80-1,214,456.28-498,053.84

Finding the Fourth Proportional to 880,026.80, 1,214,456.28 and 498,053.84

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Solution

The fourth proportional to 880,026.80, 1,214,456.28 and 498,053.84 is: 687,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,026.80 : 1,214,456.28 = 498,053.84 : x
  2. Step 2: Convert to fraction form
    880,026.80/1,214,456.28 = 498,053.84/x
  3. Step 3: Cross multiply
    880,026.80x = 1,214,456.28 × 498,053.84
  4. Step 4: Simplify right side
    880,026.80x = 604,864,613,766.12
  5. Step 5: Solve for x
    x = 604,864,613,766.12/880,026.80
  6. Step 6: Final answer
    x = 687,325.22

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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.