Home / 707,178.45-1,059,079.24-407,028.12

Finding the Fourth Proportional to 707,178.45, 1,059,079.24 and 407,028.12

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Solution

The fourth proportional to 707,178.45, 1,059,079.24 and 407,028.12 is: 609,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,178.45 : 1,059,079.24 = 407,028.12 : x
  2. Step 2: Convert to fraction form
    707,178.45/1,059,079.24 = 407,028.12/x
  3. Step 3: Cross multiply
    707,178.45x = 1,059,079.24 × 407,028.12
  4. Step 4: Simplify right side
    707,178.45x = 431,075,024,657.69
  5. Step 5: Solve for x
    x = 431,075,024,657.69/707,178.45
  6. Step 6: Final answer
    x = 609,570.37

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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.