Home / 880,105.80-1,318,409.10-480,030.60

Finding the Fourth Proportional to 880,105.80, 1,318,409.10 and 480,030.60

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Solution

The fourth proportional to 880,105.80, 1,318,409.10 and 480,030.60 is: 719,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,105.80 : 1,318,409.10 = 480,030.60 : x
  2. Step 2: Convert to fraction form
    880,105.80/1,318,409.10 = 480,030.60/x
  3. Step 3: Cross multiply
    880,105.80x = 1,318,409.10 × 480,030.60
  4. Step 4: Simplify right side
    880,105.80x = 632,876,711,318.46
  5. Step 5: Solve for x
    x = 632,876,711,318.46/880,105.80
  6. Step 6: Final answer
    x = 719,091.63

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Double scale
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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.