Home / 971,758.79-1,340,729.91-563,719.26

Finding the Fourth Proportional to 971,758.79, 1,340,729.91 and 563,719.26

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Solution

The fourth proportional to 971,758.79, 1,340,729.91 and 563,719.26 is: 777,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,758.79 : 1,340,729.91 = 563,719.26 : x
  2. Step 2: Convert to fraction form
    971,758.79/1,340,729.91 = 563,719.26/x
  3. Step 3: Cross multiply
    971,758.79x = 1,340,729.91 × 563,719.26
  4. Step 4: Simplify right side
    971,758.79x = 755,795,272,725.07
  5. Step 5: Solve for x
    x = 755,795,272,725.07/971,758.79
  6. Step 6: Final answer
    x = 777,760.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.