Home / 782,617.86-1,173,737.85-326,962.89

Finding the Fourth Proportional to 782,617.86, 1,173,737.85 and 326,962.89

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Solution

The fourth proportional to 782,617.86, 1,173,737.85 and 326,962.89 is: 490,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,617.86 : 1,173,737.85 = 326,962.89 : x
  2. Step 2: Convert to fraction form
    782,617.86/1,173,737.85 = 326,962.89/x
  3. Step 3: Cross multiply
    782,617.86x = 1,173,737.85 × 326,962.89
  4. Step 4: Simplify right side
    782,617.86x = 383,768,719,538.39
  5. Step 5: Solve for x
    x = 383,768,719,538.39/782,617.86
  6. Step 6: Final answer
    x = 490,365.40

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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.