Home / 860,002.80-1,288,230.30-503,937.60

Finding the Fourth Proportional to 860,002.80, 1,288,230.30 and 503,937.60

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Solution

The fourth proportional to 860,002.80, 1,288,230.30 and 503,937.60 is: 754,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,002.80 : 1,288,230.30 = 503,937.60 : x
  2. Step 2: Convert to fraction form
    860,002.80/1,288,230.30 = 503,937.60/x
  3. Step 3: Cross multiply
    860,002.80x = 1,288,230.30 × 503,937.60
  4. Step 4: Simplify right side
    860,002.80x = 649,187,685,629.28
  5. Step 5: Solve for x
    x = 649,187,685,629.28/860,002.80
  6. Step 6: Final answer
    x = 754,866.94

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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.