Home / 739,246-1,108,701.78-339,502.50

Finding the Fourth Proportional to 739,246, 1,108,701.78 and 339,502.50

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Solution

The fourth proportional to 739,246, 1,108,701.78 and 339,502.50 is: 509,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,246 : 1,108,701.78 = 339,502.50 : x
  2. Step 2: Convert to fraction form
    739,246/1,108,701.78 = 339,502.50/x
  3. Step 3: Cross multiply
    739,246x = 1,108,701.78 × 339,502.50
  4. Step 4: Simplify right side
    739,246x = 376,407,026,064.45
  5. Step 5: Solve for x
    x = 376,407,026,064.45/739,246
  6. Step 6: Final answer
    x = 509,176.95

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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.