Home / 865,354.83-1,298,496.98-360,264.44

Finding the Fourth Proportional to 865,354.83, 1,298,496.98 and 360,264.44

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Solution

The fourth proportional to 865,354.83, 1,298,496.98 and 360,264.44 is: 540,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,354.83 : 1,298,496.98 = 360,264.44 : x
  2. Step 2: Convert to fraction form
    865,354.83/1,298,496.98 = 360,264.44/x
  3. Step 3: Cross multiply
    865,354.83x = 1,298,496.98 × 360,264.44
  4. Step 4: Simplify right side
    865,354.83x = 467,802,279,047.58
  5. Step 5: Solve for x
    x = 467,802,279,047.58/865,354.83
  6. Step 6: Final answer
    x = 540,590.13

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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.