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Finding the Fourth Proportional to 720,461.79, 993,593.62 and 597,759.89

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Solution

The fourth proportional to 720,461.79, 993,593.62 and 597,759.89 is: 824,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,461.79 : 993,593.62 = 597,759.89 : x
  2. Step 2: Convert to fraction form
    720,461.79/993,593.62 = 597,759.89/x
  3. Step 3: Cross multiply
    720,461.79x = 993,593.62 × 597,759.89
  4. Step 4: Simplify right side
    720,461.79x = 593,930,408,775.13
  5. Step 5: Solve for x
    x = 593,930,408,775.13/720,461.79
  6. Step 6: Final answer
    x = 824,374.61

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1.5x scale

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.