Home / 880,650.96-1,215,298.20-498,677.64

Finding the Fourth Proportional to 880,650.96, 1,215,298.20 and 498,677.64

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Solution

The fourth proportional to 880,650.96, 1,215,298.20 and 498,677.64 is: 688,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,650.96 : 1,215,298.20 = 498,677.64 : x
  2. Step 2: Convert to fraction form
    880,650.96/1,215,298.20 = 498,677.64/x
  3. Step 3: Cross multiply
    880,650.96x = 1,215,298.20 × 498,677.64
  4. Step 4: Simplify right side
    880,650.96x = 606,042,038,272.25
  5. Step 5: Solve for x
    x = 606,042,038,272.25/880,650.96
  6. Step 6: Final answer
    x = 688,175.07

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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.