Home / 717,139.02-1,075,040.28-243,500.43

Finding the Fourth Proportional to 717,139.02, 1,075,040.28 and 243,500.43

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Solution

The fourth proportional to 717,139.02, 1,075,040.28 and 243,500.43 is: 365,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,139.02 : 1,075,040.28 = 243,500.43 : x
  2. Step 2: Convert to fraction form
    717,139.02/1,075,040.28 = 243,500.43/x
  3. Step 3: Cross multiply
    717,139.02x = 1,075,040.28 × 243,500.43
  4. Step 4: Simplify right side
    717,139.02x = 261,772,770,447.32
  5. Step 5: Solve for x
    x = 261,772,770,447.32/717,139.02
  6. Step 6: Final answer
    x = 365,023.74

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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.