Home / 914,288.70-1,371,433.05-778,986.30

Finding the Fourth Proportional to 914,288.70, 1,371,433.05 and 778,986.30

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Solution

The fourth proportional to 914,288.70, 1,371,433.05 and 778,986.30 is: 1,168,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,288.70 : 1,371,433.05 = 778,986.30 : x
  2. Step 2: Convert to fraction form
    914,288.70/1,371,433.05 = 778,986.30/x
  3. Step 3: Cross multiply
    914,288.70x = 1,371,433.05 × 778,986.30
  4. Step 4: Simplify right side
    914,288.70x = 1,068,327,557,317.22
  5. Step 5: Solve for x
    x = 1,068,327,557,317.22/914,288.70
  6. Step 6: Final answer
    x = 1,168,479.45

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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.