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Finding the Fourth Proportional to 657,563.37, 907,437.65 and 371,144.13

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Solution

The fourth proportional to 657,563.37, 907,437.65 and 371,144.13 is: 512,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,563.37 : 907,437.65 = 371,144.13 : x
  2. Step 2: Convert to fraction form
    657,563.37/907,437.65 = 371,144.13/x
  3. Step 3: Cross multiply
    657,563.37x = 907,437.65 × 371,144.13
  4. Step 4: Simplify right side
    657,563.37x = 336,790,155,282.77
  5. Step 5: Solve for x
    x = 336,790,155,282.77/657,563.37
  6. Step 6: Final answer
    x = 512,179.01

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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.