Home / 767,980.82-1,153,466.12-625,931.06

Finding the Fourth Proportional to 767,980.82, 1,153,466.12 and 625,931.06

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Solution

The fourth proportional to 767,980.82, 1,153,466.12 and 625,931.06 is: 940,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,980.82 : 1,153,466.12 = 625,931.06 : x
  2. Step 2: Convert to fraction form
    767,980.82/1,153,466.12 = 625,931.06/x
  3. Step 3: Cross multiply
    767,980.82x = 1,153,466.12 × 625,931.06
  4. Step 4: Simplify right side
    767,980.82x = 721,990,262,268.70
  5. Step 5: Solve for x
    x = 721,990,262,268.70/767,980.82
  6. Step 6: Final answer
    x = 940,114.97

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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.