Home / 928,980.19-1,393,472.46-255,070.72

Finding the Fourth Proportional to 928,980.19, 1,393,472.46 and 255,070.72

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Solution

The fourth proportional to 928,980.19, 1,393,472.46 and 255,070.72 is: 382,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,980.19 : 1,393,472.46 = 255,070.72 : x
  2. Step 2: Convert to fraction form
    928,980.19/1,393,472.46 = 255,070.72/x
  3. Step 3: Cross multiply
    928,980.19x = 1,393,472.46 × 255,070.72
  4. Step 4: Simplify right side
    928,980.19x = 355,434,026,370.73
  5. Step 5: Solve for x
    x = 355,434,026,370.73/928,980.19
  6. Step 6: Final answer
    x = 382,606.68

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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.