Home / 654,740.28-903,532.86-368,260.20

Finding the Fourth Proportional to 654,740.28, 903,532.86 and 368,260.20

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Solution

The fourth proportional to 654,740.28, 903,532.86 and 368,260.20 is: 508,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740.28 : 903,532.86 = 368,260.20 : x
  2. Step 2: Convert to fraction form
    654,740.28/903,532.86 = 368,260.20/x
  3. Step 3: Cross multiply
    654,740.28x = 903,532.86 × 368,260.20
  4. Step 4: Simplify right side
    654,740.28x = 332,735,191,730.17
  5. Step 5: Solve for x
    x = 332,735,191,730.17/654,740.28
  6. Step 6: Final answer
    x = 508,194.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.