Home / 804,359.20-1,207,460.40-472,122.40

Finding the Fourth Proportional to 804,359.20, 1,207,460.40 and 472,122.40

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Solution

The fourth proportional to 804,359.20, 1,207,460.40 and 472,122.40 is: 708,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,359.20 : 1,207,460.40 = 472,122.40 : x
  2. Step 2: Convert to fraction form
    804,359.20/1,207,460.40 = 472,122.40/x
  3. Step 3: Cross multiply
    804,359.20x = 1,207,460.40 × 472,122.40
  4. Step 4: Simplify right side
    804,359.20x = 570,069,101,952.96
  5. Step 5: Solve for x
    x = 570,069,101,952.96/804,359.20
  6. Step 6: Final answer
    x = 708,724.54

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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.