Home / 943,296.42-1,301,747.08-513,572.78

Finding the Fourth Proportional to 943,296.42, 1,301,747.08 and 513,572.78

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Solution

The fourth proportional to 943,296.42, 1,301,747.08 and 513,572.78 is: 708,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,296.42 : 1,301,747.08 = 513,572.78 : x
  2. Step 2: Convert to fraction form
    943,296.42/1,301,747.08 = 513,572.78/x
  3. Step 3: Cross multiply
    943,296.42x = 1,301,747.08 × 513,572.78
  4. Step 4: Simplify right side
    943,296.42x = 668,541,866,732.48
  5. Step 5: Solve for x
    x = 668,541,866,732.48/943,296.42
  6. Step 6: Final answer
    x = 708,729.36

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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.