Home / 849,420.32-1,172,200.25-467,447.10

Finding the Fourth Proportional to 849,420.32, 1,172,200.25 and 467,447.10

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Solution

The fourth proportional to 849,420.32, 1,172,200.25 and 467,447.10 is: 645,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.32 : 1,172,200.25 = 467,447.10 : x
  2. Step 2: Convert to fraction form
    849,420.32/1,172,200.25 = 467,447.10/x
  3. Step 3: Cross multiply
    849,420.32x = 1,172,200.25 × 467,447.10
  4. Step 4: Simplify right side
    849,420.32x = 547,941,605,144.54
  5. Step 5: Solve for x
    x = 547,941,605,144.54/849,420.32
  6. Step 6: Final answer
    x = 645,077.11

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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.