Home / 807,718.83-1,211,590.88-239,157.61

Finding the Fourth Proportional to 807,718.83, 1,211,590.88 and 239,157.61

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Solution

The fourth proportional to 807,718.83, 1,211,590.88 and 239,157.61 is: 358,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,718.83 : 1,211,590.88 = 239,157.61 : x
  2. Step 2: Convert to fraction form
    807,718.83/1,211,590.88 = 239,157.61/x
  3. Step 3: Cross multiply
    807,718.83x = 1,211,590.88 × 239,157.61
  4. Step 4: Simplify right side
    807,718.83x = 289,761,179,158.60
  5. Step 5: Solve for x
    x = 289,761,179,158.60/807,718.83
  6. Step 6: Final answer
    x = 358,740.16

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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.