Home / 785,010.73-1,177,752.47-245,245.20

Finding the Fourth Proportional to 785,010.73, 1,177,752.47 and 245,245.20

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Solution

The fourth proportional to 785,010.73, 1,177,752.47 and 245,245.20 is: 367,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,010.73 : 1,177,752.47 = 245,245.20 : x
  2. Step 2: Convert to fraction form
    785,010.73/1,177,752.47 = 245,245.20/x
  3. Step 3: Cross multiply
    785,010.73x = 1,177,752.47 × 245,245.20
  4. Step 4: Simplify right side
    785,010.73x = 288,838,138,829.42
  5. Step 5: Solve for x
    x = 288,838,138,829.42/785,010.73
  6. Step 6: Final answer
    x = 367,941.65

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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.