Home / 729,987.32-1,000,065.82-702,696.40

Finding the Fourth Proportional to 729,987.32, 1,000,065.82 and 702,696.40

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Solution

The fourth proportional to 729,987.32, 1,000,065.82 and 702,696.40 is: 962,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,987.32 : 1,000,065.82 = 702,696.40 : x
  2. Step 2: Convert to fraction form
    729,987.32/1,000,065.82 = 702,696.40/x
  3. Step 3: Cross multiply
    729,987.32x = 1,000,065.82 × 702,696.40
  4. Step 4: Simplify right side
    729,987.32x = 702,742,651,477.05
  5. Step 5: Solve for x
    x = 702,742,651,477.05/729,987.32
  6. Step 6: Final answer
    x = 962,677.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.