Home / 849,420.19-1,172,200.07-467,446.98

Finding the Fourth Proportional to 849,420.19, 1,172,200.07 and 467,446.98

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Solution

The fourth proportional to 849,420.19, 1,172,200.07 and 467,446.98 is: 645,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.19 : 1,172,200.07 = 467,446.98 : x
  2. Step 2: Convert to fraction form
    849,420.19/1,172,200.07 = 467,446.98/x
  3. Step 3: Cross multiply
    849,420.19x = 1,172,200.07 × 467,446.98
  4. Step 4: Simplify right side
    849,420.19x = 547,941,382,677.29
  5. Step 5: Solve for x
    x = 547,941,382,677.29/849,420.19
  6. Step 6: Final answer
    x = 645,076.95

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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.