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Finding the Fourth Proportional to 657,573.44, 907,452.96 and 355,769.60

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Solution

The fourth proportional to 657,573.44, 907,452.96 and 355,769.60 is: 490,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,573.44 : 907,452.96 = 355,769.60 : x
  2. Step 2: Convert to fraction form
    657,573.44/907,452.96 = 355,769.60/x
  3. Step 3: Cross multiply
    657,573.44x = 907,452.96 × 355,769.60
  4. Step 4: Simplify right side
    657,573.44x = 322,844,176,598.02
  5. Step 5: Solve for x
    x = 322,844,176,598.02/657,573.44
  6. Step 6: Final answer
    x = 490,962.92

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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.