Home / 712,940.40-1,069,410.60-239,468.40

Finding the Fourth Proportional to 712,940.40, 1,069,410.60 and 239,468.40

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Solution

The fourth proportional to 712,940.40, 1,069,410.60 and 239,468.40 is: 359,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,940.40 : 1,069,410.60 = 239,468.40 : x
  2. Step 2: Convert to fraction form
    712,940.40/1,069,410.60 = 239,468.40/x
  3. Step 3: Cross multiply
    712,940.40x = 1,069,410.60 × 239,468.40
  4. Step 4: Simplify right side
    712,940.40x = 256,090,045,325.04
  5. Step 5: Solve for x
    x = 256,090,045,325.04/712,940.40
  6. Step 6: Final answer
    x = 359,202.60

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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.