Home / 755,714.80-1,130,947.80-519,518.80

Finding the Fourth Proportional to 755,714.80, 1,130,947.80 and 519,518.80

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Solution

The fourth proportional to 755,714.80, 1,130,947.80 and 519,518.80 is: 777,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,714.80 : 1,130,947.80 = 519,518.80 : x
  2. Step 2: Convert to fraction form
    755,714.80/1,130,947.80 = 519,518.80/x
  3. Step 3: Cross multiply
    755,714.80x = 1,130,947.80 × 519,518.80
  4. Step 4: Simplify right side
    755,714.80x = 587,548,643,918.64
  5. Step 5: Solve for x
    x = 587,548,643,918.64/755,714.80
  6. Step 6: Final answer
    x = 777,474.05

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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.