Home / 791,073.12-1,186,785.72-435,904.32

Finding the Fourth Proportional to 791,073.12, 1,186,785.72 and 435,904.32

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Solution

The fourth proportional to 791,073.12, 1,186,785.72 and 435,904.32 is: 653,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,073.12 : 1,186,785.72 = 435,904.32 : x
  2. Step 2: Convert to fraction form
    791,073.12/1,186,785.72 = 435,904.32/x
  3. Step 3: Cross multiply
    791,073.12x = 1,186,785.72 × 435,904.32
  4. Step 4: Simplify right side
    791,073.12x = 517,325,022,262.31
  5. Step 5: Solve for x
    x = 517,325,022,262.31/791,073.12
  6. Step 6: Final answer
    x = 653,953.48

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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.