Home / 779,910.30-1,169,865.45-744,918.30

Finding the Fourth Proportional to 779,910.30, 1,169,865.45 and 744,918.30

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Solution

The fourth proportional to 779,910.30, 1,169,865.45 and 744,918.30 is: 1,117,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,910.30 : 1,169,865.45 = 744,918.30 : x
  2. Step 2: Convert to fraction form
    779,910.30/1,169,865.45 = 744,918.30/x
  3. Step 3: Cross multiply
    779,910.30x = 1,169,865.45 × 744,918.30
  4. Step 4: Simplify right side
    779,910.30x = 871,454,182,242.74
  5. Step 5: Solve for x
    x = 871,454,182,242.74/779,910.30
  6. Step 6: Final answer
    x = 1,117,377.45

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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.