Home / 654,439.43-902,823.28-382,518.79

Finding the Fourth Proportional to 654,439.43, 902,823.28 and 382,518.79

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Solution

The fourth proportional to 654,439.43, 902,823.28 and 382,518.79 is: 527,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,439.43 : 902,823.28 = 382,518.79 : x
  2. Step 2: Convert to fraction form
    654,439.43/902,823.28 = 382,518.79/x
  3. Step 3: Cross multiply
    654,439.43x = 902,823.28 × 382,518.79
  4. Step 4: Simplify right side
    654,439.43x = 345,346,865,436.08
  5. Step 5: Solve for x
    x = 345,346,865,436.08/654,439.43
  6. Step 6: Final answer
    x = 527,698.74

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1.5x scale

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.