Home / 880,165.28-1,214,539.44-498,125.54

Finding the Fourth Proportional to 880,165.28, 1,214,539.44 and 498,125.54

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Solution

The fourth proportional to 880,165.28, 1,214,539.44 and 498,125.54 is: 687,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,165.28 : 1,214,539.44 = 498,125.54 : x
  2. Step 2: Convert to fraction form
    880,165.28/1,214,539.44 = 498,125.54/x
  3. Step 3: Cross multiply
    880,165.28x = 1,214,539.44 × 498,125.54
  4. Step 4: Simplify right side
    880,165.28x = 604,993,114,401.30
  5. Step 5: Solve for x
    x = 604,993,114,401.30/880,165.28
  6. Step 6: Final answer
    x = 687,363.08

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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.