Home / 706,972.80-1,060,459.20-423,537.60

Finding the Fourth Proportional to 706,972.80, 1,060,459.20 and 423,537.60

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Solution

The fourth proportional to 706,972.80, 1,060,459.20 and 423,537.60 is: 635,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,972.80 : 1,060,459.20 = 423,537.60 : x
  2. Step 2: Convert to fraction form
    706,972.80/1,060,459.20 = 423,537.60/x
  3. Step 3: Cross multiply
    706,972.80x = 1,060,459.20 × 423,537.60
  4. Step 4: Simplify right side
    706,972.80x = 449,144,344,465.92
  5. Step 5: Solve for x
    x = 449,144,344,465.92/706,972.80
  6. Step 6: Final answer
    x = 635,306.40

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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.