Home / 928,970.40-1,393,496.10-255,034.20

Finding the Fourth Proportional to 928,970.40, 1,393,496.10 and 255,034.20

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Solution

The fourth proportional to 928,970.40, 1,393,496.10 and 255,034.20 is: 382,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,970.40 : 1,393,496.10 = 255,034.20 : x
  2. Step 2: Convert to fraction form
    928,970.40/1,393,496.10 = 255,034.20/x
  3. Step 3: Cross multiply
    928,970.40x = 1,393,496.10 × 255,034.20
  4. Step 4: Simplify right side
    928,970.40x = 355,389,163,066.62
  5. Step 5: Solve for x
    x = 355,389,163,066.62/928,970.40
  6. Step 6: Final answer
    x = 382,562.42

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1.5x scale

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.