Home / 718,542.40-1,077,813.60-652,057.60

Finding the Fourth Proportional to 718,542.40, 1,077,813.60 and 652,057.60

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Solution

The fourth proportional to 718,542.40, 1,077,813.60 and 652,057.60 is: 978,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,542.40 : 1,077,813.60 = 652,057.60 : x
  2. Step 2: Convert to fraction form
    718,542.40/1,077,813.60 = 652,057.60/x
  3. Step 3: Cross multiply
    718,542.40x = 1,077,813.60 × 652,057.60
  4. Step 4: Simplify right side
    718,542.40x = 702,796,549,263.36
  5. Step 5: Solve for x
    x = 702,796,549,263.36/718,542.40
  6. Step 6: Final answer
    x = 978,086.40

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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.