Home / 784,946.88-1,083,350.16-479,089.44

Finding the Fourth Proportional to 784,946.88, 1,083,350.16 and 479,089.44

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Solution

The fourth proportional to 784,946.88, 1,083,350.16 and 479,089.44 is: 661,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,946.88 : 1,083,350.16 = 479,089.44 : x
  2. Step 2: Convert to fraction form
    784,946.88/1,083,350.16 = 479,089.44/x
  3. Step 3: Cross multiply
    784,946.88x = 1,083,350.16 × 479,089.44
  4. Step 4: Simplify right side
    784,946.88x = 519,021,621,478.31
  5. Step 5: Solve for x
    x = 519,021,621,478.31/784,946.88
  6. Step 6: Final answer
    x = 661,218.78

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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.