Home / 849,072.25-1,171,729.38-486,488.83

Finding the Fourth Proportional to 849,072.25, 1,171,729.38 and 486,488.83

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Solution

The fourth proportional to 849,072.25, 1,171,729.38 and 486,488.83 is: 671,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,072.25 : 1,171,729.38 = 486,488.83 : x
  2. Step 2: Convert to fraction form
    849,072.25/1,171,729.38 = 486,488.83/x
  3. Step 3: Cross multiply
    849,072.25x = 1,171,729.38 × 486,488.83
  4. Step 4: Simplify right side
    849,072.25x = 570,033,246,861.73
  5. Step 5: Solve for x
    x = 570,033,246,861.73/849,072.25
  6. Step 6: Final answer
    x = 671,360.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.