Home / 901,255.59-1,243,732.64-493,357.71

Finding the Fourth Proportional to 901,255.59, 1,243,732.64 and 493,357.71

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Solution

The fourth proportional to 901,255.59, 1,243,732.64 and 493,357.71 is: 680,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,255.59 : 1,243,732.64 = 493,357.71 : x
  2. Step 2: Convert to fraction form
    901,255.59/1,243,732.64 = 493,357.71/x
  3. Step 3: Cross multiply
    901,255.59x = 1,243,732.64 × 493,357.71
  4. Step 4: Simplify right side
    901,255.59x = 613,605,084,655.87
  5. Step 5: Solve for x
    x = 613,605,084,655.87/901,255.59
  6. Step 6: Final answer
    x = 680,833.60

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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.