Home / 755,718.30-1,130,953.05-519,522.30

Finding the Fourth Proportional to 755,718.30, 1,130,953.05 and 519,522.30

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Solution

The fourth proportional to 755,718.30, 1,130,953.05 and 519,522.30 is: 777,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,718.30 : 1,130,953.05 = 519,522.30 : x
  2. Step 2: Convert to fraction form
    755,718.30/1,130,953.05 = 519,522.30/x
  3. Step 3: Cross multiply
    755,718.30x = 1,130,953.05 × 519,522.30
  4. Step 4: Simplify right side
    755,718.30x = 587,555,329,728.02
  5. Step 5: Solve for x
    x = 587,555,329,728.02/755,718.30
  6. Step 6: Final answer
    x = 777,479.29

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Double scale
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1.5x scale

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.