Home / 788,504.30-1,183,048.05-256,042.70

Finding the Fourth Proportional to 788,504.30, 1,183,048.05 and 256,042.70

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Solution

The fourth proportional to 788,504.30, 1,183,048.05 and 256,042.70 is: 384,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,504.30 : 1,183,048.05 = 256,042.70 : x
  2. Step 2: Convert to fraction form
    788,504.30/1,183,048.05 = 256,042.70/x
  3. Step 3: Cross multiply
    788,504.30x = 1,183,048.05 × 256,042.70
  4. Step 4: Simplify right side
    788,504.30x = 302,910,816,951.74
  5. Step 5: Solve for x
    x = 302,910,816,951.74/788,504.30
  6. Step 6: Final answer
    x = 384,158.74

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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.