Home / 975,105.23-1,345,637.85-545,385.38

Finding the Fourth Proportional to 975,105.23, 1,345,637.85 and 545,385.38

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Solution

The fourth proportional to 975,105.23, 1,345,637.85 and 545,385.38 is: 752,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,105.23 : 1,345,637.85 = 545,385.38 : x
  2. Step 2: Convert to fraction form
    975,105.23/1,345,637.85 = 545,385.38/x
  3. Step 3: Cross multiply
    975,105.23x = 1,345,637.85 × 545,385.38
  4. Step 4: Simplify right side
    975,105.23x = 733,891,203,436.44
  5. Step 5: Solve for x
    x = 733,891,203,436.44/975,105.23
  6. Step 6: Final answer
    x = 752,627.70

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Double scale
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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.