Home / 657,741.52-907,684.10-355,935.52

Finding the Fourth Proportional to 657,741.52, 907,684.10 and 355,935.52

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Solution

The fourth proportional to 657,741.52, 907,684.10 and 355,935.52 is: 491,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,741.52 : 907,684.10 = 355,935.52 : x
  2. Step 2: Convert to fraction form
    657,741.52/907,684.10 = 355,935.52/x
  3. Step 3: Cross multiply
    657,741.52x = 907,684.10 × 355,935.52
  4. Step 4: Simplify right side
    657,741.52x = 323,077,012,129.23
  5. Step 5: Solve for x
    x = 323,077,012,129.23/657,741.52
  6. Step 6: Final answer
    x = 491,191.45

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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.