Home / 779,865.60-1,168,779.20-564,449.66

Finding the Fourth Proportional to 779,865.60, 1,168,779.20 and 564,449.66

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Solution

The fourth proportional to 779,865.60, 1,168,779.20 and 564,449.66 is: 845,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,865.60 : 1,168,779.20 = 564,449.66 : x
  2. Step 2: Convert to fraction form
    779,865.60/1,168,779.20 = 564,449.66/x
  3. Step 3: Cross multiply
    779,865.60x = 1,168,779.20 × 564,449.66
  4. Step 4: Simplify right side
    779,865.60x = 659,717,022,055.07
  5. Step 5: Solve for x
    x = 659,717,022,055.07/779,865.60
  6. Step 6: Final answer
    x = 845,936.82

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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.