Home / 830,002.60-1,245,587.10-531,209.80

Finding the Fourth Proportional to 830,002.60, 1,245,587.10 and 531,209.80

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Solution

The fourth proportional to 830,002.60, 1,245,587.10 and 531,209.80 is: 797,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,002.60 : 1,245,587.10 = 531,209.80 : x
  2. Step 2: Convert to fraction form
    830,002.60/1,245,587.10 = 531,209.80/x
  3. Step 3: Cross multiply
    830,002.60x = 1,245,587.10 × 531,209.80
  4. Step 4: Simplify right side
    830,002.60x = 661,668,074,273.58
  5. Step 5: Solve for x
    x = 661,668,074,273.58/830,002.60
  6. Step 6: Final answer
    x = 797,187.95

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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.