Home / 572,822.20-860,151.30-455,469.40

Finding the Fourth Proportional to 572,822.20, 860,151.30 and 455,469.40

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Solution

The fourth proportional to 572,822.20, 860,151.30 and 455,469.40 is: 683,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,822.20 : 860,151.30 = 455,469.40 : x
  2. Step 2: Convert to fraction form
    572,822.20/860,151.30 = 455,469.40/x
  3. Step 3: Cross multiply
    572,822.20x = 860,151.30 × 455,469.40
  4. Step 4: Simplify right side
    572,822.20x = 391,772,596,520.22
  5. Step 5: Solve for x
    x = 391,772,596,520.22/572,822.20
  6. Step 6: Final answer
    x = 683,934.03

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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.