Home / 825,027.20-1,237,540.80-615,075.20

Finding the Fourth Proportional to 825,027.20, 1,237,540.80 and 615,075.20

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Solution

The fourth proportional to 825,027.20, 1,237,540.80 and 615,075.20 is: 922,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,027.20 : 1,237,540.80 = 615,075.20 : x
  2. Step 2: Convert to fraction form
    825,027.20/1,237,540.80 = 615,075.20/x
  3. Step 3: Cross multiply
    825,027.20x = 1,237,540.80 × 615,075.20
  4. Step 4: Simplify right side
    825,027.20x = 761,180,655,068.16
  5. Step 5: Solve for x
    x = 761,180,655,068.16/825,027.20
  6. Step 6: Final answer
    x = 922,612.80

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Similar ratio
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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.