Home / 722,298.74-996,938.16-480,591.50

Finding the Fourth Proportional to 722,298.74, 996,938.16 and 480,591.50

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Solution

The fourth proportional to 722,298.74, 996,938.16 and 480,591.50 is: 663,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,298.74 : 996,938.16 = 480,591.50 : x
  2. Step 2: Convert to fraction form
    722,298.74/996,938.16 = 480,591.50/x
  3. Step 3: Cross multiply
    722,298.74x = 996,938.16 × 480,591.50
  4. Step 4: Simplify right side
    722,298.74x = 479,120,005,721.64
  5. Step 5: Solve for x
    x = 479,120,005,721.64/722,298.74
  6. Step 6: Final answer
    x = 663,326.65

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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.