Home / 698,338.86-1,046,695.86-399,029.28

Finding the Fourth Proportional to 698,338.86, 1,046,695.86 and 399,029.28

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Solution

The fourth proportional to 698,338.86, 1,046,695.86 and 399,029.28 is: 598,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,338.86 : 1,046,695.86 = 399,029.28 : x
  2. Step 2: Convert to fraction form
    698,338.86/1,046,695.86 = 399,029.28/x
  3. Step 3: Cross multiply
    698,338.86x = 1,046,695.86 × 399,029.28
  4. Step 4: Simplify right side
    698,338.86x = 417,662,295,394.78
  5. Step 5: Solve for x
    x = 417,662,295,394.78/698,338.86
  6. Step 6: Final answer
    x = 598,079.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.