Home / 766,853.65-1,150,281.29-765,746.11

Finding the Fourth Proportional to 766,853.65, 1,150,281.29 and 765,746.11

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Solution

The fourth proportional to 766,853.65, 1,150,281.29 and 765,746.11 is: 1,148,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,853.65 : 1,150,281.29 = 765,746.11 : x
  2. Step 2: Convert to fraction form
    766,853.65/1,150,281.29 = 765,746.11/x
  3. Step 3: Cross multiply
    766,853.65x = 1,150,281.29 × 765,746.11
  4. Step 4: Simplify right side
    766,853.65x = 880,823,423,223.28
  5. Step 5: Solve for x
    x = 880,823,423,223.28/766,853.65
  6. Step 6: Final answer
    x = 1,148,619.98

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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.