Home / 684,312-1,026,895.68-329,363.52

Finding the Fourth Proportional to 684,312, 1,026,895.68 and 329,363.52

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Solution

The fourth proportional to 684,312, 1,026,895.68 and 329,363.52 is: 494,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,312 : 1,026,895.68 = 329,363.52 : x
  2. Step 2: Convert to fraction form
    684,312/1,026,895.68 = 329,363.52/x
  3. Step 3: Cross multiply
    684,312x = 1,026,895.68 × 329,363.52
  4. Step 4: Simplify right side
    684,312x = 338,221,975,837.59
  5. Step 5: Solve for x
    x = 338,221,975,837.59/684,312
  6. Step 6: Final answer
    x = 494,251.12

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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.