Home / 942,618.94-1,300,803.17-512,891.66

Finding the Fourth Proportional to 942,618.94, 1,300,803.17 and 512,891.66

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Solution

The fourth proportional to 942,618.94, 1,300,803.17 and 512,891.66 is: 707,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,618.94 : 1,300,803.17 = 512,891.66 : x
  2. Step 2: Convert to fraction form
    942,618.94/1,300,803.17 = 512,891.66/x
  3. Step 3: Cross multiply
    942,618.94x = 1,300,803.17 × 512,891.66
  4. Step 4: Simplify right side
    942,618.94x = 667,171,097,882.11
  5. Step 5: Solve for x
    x = 667,171,097,882.11/942,618.94
  6. Step 6: Final answer
    x = 707,784.53

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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.