Home / 724,603.60-1,086,905.40-444,278.80

Finding the Fourth Proportional to 724,603.60, 1,086,905.40 and 444,278.80

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Solution

The fourth proportional to 724,603.60, 1,086,905.40 and 444,278.80 is: 666,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,603.60 : 1,086,905.40 = 444,278.80 : x
  2. Step 2: Convert to fraction form
    724,603.60/1,086,905.40 = 444,278.80/x
  3. Step 3: Cross multiply
    724,603.60x = 1,086,905.40 × 444,278.80
  4. Step 4: Simplify right side
    724,603.60x = 482,889,026,825.52
  5. Step 5: Solve for x
    x = 482,889,026,825.52/724,603.60
  6. Step 6: Final answer
    x = 666,418.20

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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.