Home / 787,456.05-1,181,356.33-255,030.90

Finding the Fourth Proportional to 787,456.05, 1,181,356.33 and 255,030.90

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Solution

The fourth proportional to 787,456.05, 1,181,356.33 and 255,030.90 is: 382,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,456.05 : 1,181,356.33 = 255,030.90 : x
  2. Step 2: Convert to fraction form
    787,456.05/1,181,356.33 = 255,030.90/x
  3. Step 3: Cross multiply
    787,456.05x = 1,181,356.33 × 255,030.90
  4. Step 4: Simplify right side
    787,456.05x = 301,282,363,471.12
  5. Step 5: Solve for x
    x = 301,282,363,471.12/787,456.05
  6. Step 6: Final answer
    x = 382,602.13

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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.