Home / 845,317.40-1,267,841.16-312,717.26

Finding the Fourth Proportional to 845,317.40, 1,267,841.16 and 312,717.26

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Solution

The fourth proportional to 845,317.40, 1,267,841.16 and 312,717.26 is: 469,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,317.40 : 1,267,841.16 = 312,717.26 : x
  2. Step 2: Convert to fraction form
    845,317.40/1,267,841.16 = 312,717.26/x
  3. Step 3: Cross multiply
    845,317.40x = 1,267,841.16 × 312,717.26
  4. Step 4: Simplify right side
    845,317.40x = 396,475,813,670.42
  5. Step 5: Solve for x
    x = 396,475,813,670.42/845,317.40
  6. Step 6: Final answer
    x = 469,025.97

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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.