Home / 769,531.32-1,154,296.98-208,565.82

Finding the Fourth Proportional to 769,531.32, 1,154,296.98 and 208,565.82

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Solution

The fourth proportional to 769,531.32, 1,154,296.98 and 208,565.82 is: 312,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,531.32 : 1,154,296.98 = 208,565.82 : x
  2. Step 2: Convert to fraction form
    769,531.32/1,154,296.98 = 208,565.82/x
  3. Step 3: Cross multiply
    769,531.32x = 1,154,296.98 × 208,565.82
  4. Step 4: Simplify right side
    769,531.32x = 240,746,896,157.22
  5. Step 5: Solve for x
    x = 240,746,896,157.22/769,531.32
  6. Step 6: Final answer
    x = 312,848.73

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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.