Home / 765,873.15-1,147,543.08-465,441.31

Finding the Fourth Proportional to 765,873.15, 1,147,543.08 and 465,441.31

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Solution

The fourth proportional to 765,873.15, 1,147,543.08 and 465,441.31 is: 697,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,873.15 : 1,147,543.08 = 465,441.31 : x
  2. Step 2: Convert to fraction form
    765,873.15/1,147,543.08 = 465,441.31/x
  3. Step 3: Cross multiply
    765,873.15x = 1,147,543.08 × 465,441.31
  4. Step 4: Simplify right side
    765,873.15x = 534,113,954,436.64
  5. Step 5: Solve for x
    x = 534,113,954,436.64/765,873.15
  6. Step 6: Final answer
    x = 697,392.19

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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.