Home / 738,265.60-1,105,065.60-579,635.20

Finding the Fourth Proportional to 738,265.60, 1,105,065.60 and 579,635.20

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Solution

The fourth proportional to 738,265.60, 1,105,065.60 and 579,635.20 is: 867,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,265.60 : 1,105,065.60 = 579,635.20 : x
  2. Step 2: Convert to fraction form
    738,265.60/1,105,065.60 = 579,635.20/x
  3. Step 3: Cross multiply
    738,265.60x = 1,105,065.60 × 579,635.20
  4. Step 4: Simplify right side
    738,265.60x = 640,534,920,069.12
  5. Step 5: Solve for x
    x = 640,534,920,069.12/738,265.60
  6. Step 6: Final answer
    x = 867,621.25

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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.