Home / 891,632.30-1,230,452.37-509,667.28

Finding the Fourth Proportional to 891,632.30, 1,230,452.37 and 509,667.28

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Solution

The fourth proportional to 891,632.30, 1,230,452.37 and 509,667.28 is: 703,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,632.30 : 1,230,452.37 = 509,667.28 : x
  2. Step 2: Convert to fraction form
    891,632.30/1,230,452.37 = 509,667.28/x
  3. Step 3: Cross multiply
    891,632.30x = 1,230,452.37 × 509,667.28
  4. Step 4: Simplify right side
    891,632.30x = 627,121,309,511.32
  5. Step 5: Solve for x
    x = 627,121,309,511.32/891,632.30
  6. Step 6: Final answer
    x = 703,340.73

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Double scale
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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.