Home / 717,961.20-1,075,629.60-437,150.40

Finding the Fourth Proportional to 717,961.20, 1,075,629.60 and 437,150.40

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Solution

The fourth proportional to 717,961.20, 1,075,629.60 and 437,150.40 is: 654,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,961.20 : 1,075,629.60 = 437,150.40 : x
  2. Step 2: Convert to fraction form
    717,961.20/1,075,629.60 = 437,150.40/x
  3. Step 3: Cross multiply
    717,961.20x = 1,075,629.60 × 437,150.40
  4. Step 4: Simplify right side
    717,961.20x = 470,211,909,891.84
  5. Step 5: Solve for x
    x = 470,211,909,891.84/717,961.20
  6. Step 6: Final answer
    x = 654,926.63

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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.