Home / 585,378.16-807,837.60-330,723.88

Finding the Fourth Proportional to 585,378.16, 807,837.60 and 330,723.88

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Solution

The fourth proportional to 585,378.16, 807,837.60 and 330,723.88 is: 456,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,378.16 : 807,837.60 = 330,723.88 : x
  2. Step 2: Convert to fraction form
    585,378.16/807,837.60 = 330,723.88/x
  3. Step 3: Cross multiply
    585,378.16x = 807,837.60 × 330,723.88
  4. Step 4: Simplify right side
    585,378.16x = 267,171,184,702.51
  5. Step 5: Solve for x
    x = 267,171,184,702.51/585,378.16
  6. Step 6: Final answer
    x = 456,407.85

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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.