Home / 865,702.08-1,297,213.38-599,981.58

Finding the Fourth Proportional to 865,702.08, 1,297,213.38 and 599,981.58

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Solution

The fourth proportional to 865,702.08, 1,297,213.38 and 599,981.58 is: 899,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,702.08 : 1,297,213.38 = 599,981.58 : x
  2. Step 2: Convert to fraction form
    865,702.08/1,297,213.38 = 599,981.58/x
  3. Step 3: Cross multiply
    865,702.08x = 1,297,213.38 × 599,981.58
  4. Step 4: Simplify right side
    865,702.08x = 778,304,133,329.54
  5. Step 5: Solve for x
    x = 778,304,133,329.54/865,702.08
  6. Step 6: Final answer
    x = 899,043.85

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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.