Home / 754,604.72-1,041,382.20-415,098.80

Finding the Fourth Proportional to 754,604.72, 1,041,382.20 and 415,098.80

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Solution

The fourth proportional to 754,604.72, 1,041,382.20 and 415,098.80 is: 572,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,604.72 : 1,041,382.20 = 415,098.80 : x
  2. Step 2: Convert to fraction form
    754,604.72/1,041,382.20 = 415,098.80/x
  3. Step 3: Cross multiply
    754,604.72x = 1,041,382.20 × 415,098.80
  4. Step 4: Simplify right side
    754,604.72x = 432,276,501,561.36
  5. Step 5: Solve for x
    x = 432,276,501,561.36/754,604.72
  6. Step 6: Final answer
    x = 572,851.57

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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.