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Finding the Fourth Proportional to 550,256.30, 825,384.45 and 284,535.80

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Solution

The fourth proportional to 550,256.30, 825,384.45 and 284,535.80 is: 426,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,256.30 : 825,384.45 = 284,535.80 : x
  2. Step 2: Convert to fraction form
    550,256.30/825,384.45 = 284,535.80/x
  3. Step 3: Cross multiply
    550,256.30x = 825,384.45 × 284,535.80
  4. Step 4: Simplify right side
    550,256.30x = 234,851,424,788.31
  5. Step 5: Solve for x
    x = 234,851,424,788.31/550,256.30
  6. Step 6: Final answer
    x = 426,803.70

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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.