Home / 790,348.91-1,184,927.20-257,551.79

Finding the Fourth Proportional to 790,348.91, 1,184,927.20 and 257,551.79

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Solution

The fourth proportional to 790,348.91, 1,184,927.20 and 257,551.79 is: 386,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,348.91 : 1,184,927.20 = 257,551.79 : x
  2. Step 2: Convert to fraction form
    790,348.91/1,184,927.20 = 257,551.79/x
  3. Step 3: Cross multiply
    790,348.91x = 1,184,927.20 × 257,551.79
  4. Step 4: Simplify right side
    790,348.91x = 305,180,121,379.69
  5. Step 5: Solve for x
    x = 305,180,121,379.69/790,348.91
  6. Step 6: Final answer
    x = 386,133.41

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Double scale
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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.