Home / 657,945.28-907,956.88-371,477.44

Finding the Fourth Proportional to 657,945.28, 907,956.88 and 371,477.44

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Solution

The fourth proportional to 657,945.28, 907,956.88 and 371,477.44 is: 512,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,945.28 : 907,956.88 = 371,477.44 : x
  2. Step 2: Convert to fraction form
    657,945.28/907,956.88 = 371,477.44/x
  3. Step 3: Cross multiply
    657,945.28x = 907,956.88 × 371,477.44
  4. Step 4: Simplify right side
    657,945.28x = 337,285,497,412.79
  5. Step 5: Solve for x
    x = 337,285,497,412.79/657,945.28
  6. Step 6: Final answer
    x = 512,634.57

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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.