Home / 849,420.68-1,172,200.71-467,447.46

Finding the Fourth Proportional to 849,420.68, 1,172,200.71 and 467,447.46

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Solution

The fourth proportional to 849,420.68, 1,172,200.71 and 467,447.46 is: 645,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.68 : 1,172,200.71 = 467,447.46 : x
  2. Step 2: Convert to fraction form
    849,420.68/1,172,200.71 = 467,447.46/x
  3. Step 3: Cross multiply
    849,420.68x = 1,172,200.71 × 467,447.46
  4. Step 4: Simplify right side
    849,420.68x = 547,942,243,623.23
  5. Step 5: Solve for x
    x = 547,942,243,623.23/849,420.68
  6. Step 6: Final answer
    x = 645,077.59

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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.