Home / 762,379.16-1,052,064.32-435,671.46

Finding the Fourth Proportional to 762,379.16, 1,052,064.32 and 435,671.46

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Solution

The fourth proportional to 762,379.16, 1,052,064.32 and 435,671.46 is: 601,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,379.16 : 1,052,064.32 = 435,671.46 : x
  2. Step 2: Convert to fraction form
    762,379.16/1,052,064.32 = 435,671.46/x
  3. Step 3: Cross multiply
    762,379.16x = 1,052,064.32 × 435,671.46
  4. Step 4: Simplify right side
    762,379.16x = 458,354,396,129.95
  5. Step 5: Solve for x
    x = 458,354,396,129.95/762,379.16
  6. Step 6: Final answer
    x = 601,215.80

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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.