Home / 897,069.28-1,345,374.69-265,835.47

Finding the Fourth Proportional to 897,069.28, 1,345,374.69 and 265,835.47

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Solution

The fourth proportional to 897,069.28, 1,345,374.69 and 265,835.47 is: 398,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,069.28 : 1,345,374.69 = 265,835.47 : x
  2. Step 2: Convert to fraction form
    897,069.28/1,345,374.69 = 265,835.47/x
  3. Step 3: Cross multiply
    897,069.28x = 1,345,374.69 × 265,835.47
  4. Step 4: Simplify right side
    897,069.28x = 357,648,313,042.25
  5. Step 5: Solve for x
    x = 357,648,313,042.25/897,069.28
  6. Step 6: Final answer
    x = 398,685.28

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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.