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Finding the Fourth Proportional to 580,332.20, 870,101.09 and 295,471.50

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Solution

The fourth proportional to 580,332.20, 870,101.09 and 295,471.50 is: 443,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,332.20 : 870,101.09 = 295,471.50 : x
  2. Step 2: Convert to fraction form
    580,332.20/870,101.09 = 295,471.50/x
  3. Step 3: Cross multiply
    580,332.20x = 870,101.09 × 295,471.50
  4. Step 4: Simplify right side
    580,332.20x = 257,090,070,581.72
  5. Step 5: Solve for x
    x = 257,090,070,581.72/580,332.20
  6. Step 6: Final answer
    x = 443,005.01

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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.