Home / 578,904.66-798,621.39-375,023.61

Finding the Fourth Proportional to 578,904.66, 798,621.39 and 375,023.61

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Solution

The fourth proportional to 578,904.66, 798,621.39 and 375,023.61 is: 517,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,904.66 : 798,621.39 = 375,023.61 : x
  2. Step 2: Convert to fraction form
    578,904.66/798,621.39 = 375,023.61/x
  3. Step 3: Cross multiply
    578,904.66x = 798,621.39 × 375,023.61
  4. Step 4: Simplify right side
    578,904.66x = 299,501,876,701.02
  5. Step 5: Solve for x
    x = 299,501,876,701.02/578,904.66
  6. Step 6: Final answer
    x = 517,359.59

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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.