Home / 745,934.40-1,116,277.20-682,948.80

Finding the Fourth Proportional to 745,934.40, 1,116,277.20 and 682,948.80

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Solution

The fourth proportional to 745,934.40, 1,116,277.20 and 682,948.80 is: 1,022,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,934.40 : 1,116,277.20 = 682,948.80 : x
  2. Step 2: Convert to fraction form
    745,934.40/1,116,277.20 = 682,948.80/x
  3. Step 3: Cross multiply
    745,934.40x = 1,116,277.20 × 682,948.80
  4. Step 4: Simplify right side
    745,934.40x = 762,360,174,207.36
  5. Step 5: Solve for x
    x = 762,360,174,207.36/745,934.40
  6. Step 6: Final answer
    x = 1,022,020.40

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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.