Home / 753,820.80-1,130,731.20-717,079.20

Finding the Fourth Proportional to 753,820.80, 1,130,731.20 and 717,079.20

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Solution

The fourth proportional to 753,820.80, 1,130,731.20 and 717,079.20 is: 1,075,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,820.80 : 1,130,731.20 = 717,079.20 : x
  2. Step 2: Convert to fraction form
    753,820.80/1,130,731.20 = 717,079.20/x
  3. Step 3: Cross multiply
    753,820.80x = 1,130,731.20 × 717,079.20
  4. Step 4: Simplify right side
    753,820.80x = 810,823,824,311.04
  5. Step 5: Solve for x
    x = 810,823,824,311.04/753,820.80
  6. Step 6: Final answer
    x = 1,075,618.80

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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.