Home / 784,889.60-1,177,334.40-627,425.60

Finding the Fourth Proportional to 784,889.60, 1,177,334.40 and 627,425.60

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Solution

The fourth proportional to 784,889.60, 1,177,334.40 and 627,425.60 is: 941,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,889.60 : 1,177,334.40 = 627,425.60 : x
  2. Step 2: Convert to fraction form
    784,889.60/1,177,334.40 = 627,425.60/x
  3. Step 3: Cross multiply
    784,889.60x = 1,177,334.40 × 627,425.60
  4. Step 4: Simplify right side
    784,889.60x = 738,689,742,320.64
  5. Step 5: Solve for x
    x = 738,689,742,320.64/784,889.60
  6. Step 6: Final answer
    x = 941,138.40

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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.