Home / 849,409.42-1,172,185.25-467,436.21

Finding the Fourth Proportional to 849,409.42, 1,172,185.25 and 467,436.21

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Solution

The fourth proportional to 849,409.42, 1,172,185.25 and 467,436.21 is: 645,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,409.42 : 1,172,185.25 = 467,436.21 : x
  2. Step 2: Convert to fraction form
    849,409.42/1,172,185.25 = 467,436.21/x
  3. Step 3: Cross multiply
    849,409.42x = 1,172,185.25 × 467,436.21
  4. Step 4: Simplify right side
    849,409.42x = 547,921,830,677.90
  5. Step 5: Solve for x
    x = 547,921,830,677.90/849,409.42
  6. Step 6: Final answer
    x = 645,062.11

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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.