Home / 747,977.83-1,121,966.66-187,012.33

Finding the Fourth Proportional to 747,977.83, 1,121,966.66 and 187,012.33

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Solution

The fourth proportional to 747,977.83, 1,121,966.66 and 187,012.33 is: 280,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,977.83 : 1,121,966.66 = 187,012.33 : x
  2. Step 2: Convert to fraction form
    747,977.83/1,121,966.66 = 187,012.33/x
  3. Step 3: Cross multiply
    747,977.83x = 1,121,966.66 × 187,012.33
  4. Step 4: Simplify right side
    747,977.83x = 209,821,596,931.53
  5. Step 5: Solve for x
    x = 209,821,596,931.53/747,977.83
  6. Step 6: Final answer
    x = 280,518.47

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Double scale
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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.