Home / 612,414.62-845,160.34-340,510.18

Finding the Fourth Proportional to 612,414.62, 845,160.34 and 340,510.18

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Solution

The fourth proportional to 612,414.62, 845,160.34 and 340,510.18 is: 469,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,414.62 : 845,160.34 = 340,510.18 : x
  2. Step 2: Convert to fraction form
    612,414.62/845,160.34 = 340,510.18/x
  3. Step 3: Cross multiply
    612,414.62x = 845,160.34 × 340,510.18
  4. Step 4: Simplify right side
    612,414.62x = 287,785,699,502.26
  5. Step 5: Solve for x
    x = 287,785,699,502.26/612,414.62
  6. Step 6: Final answer
    x = 469,919.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.