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Finding the Fourth Proportional to 657,595.80, 907,391.16 and 367,171.92

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Solution

The fourth proportional to 657,595.80, 907,391.16 and 367,171.92 is: 506,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,595.80 : 907,391.16 = 367,171.92 : x
  2. Step 2: Convert to fraction form
    657,595.80/907,391.16 = 367,171.92/x
  3. Step 3: Cross multiply
    657,595.80x = 907,391.16 × 367,171.92
  4. Step 4: Simplify right side
    657,595.80x = 333,168,554,408.23
  5. Step 5: Solve for x
    x = 333,168,554,408.23/657,595.80
  6. Step 6: Final answer
    x = 506,646.41

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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.