Home / 736,302.18-1,104,179.81-256,406.75

Finding the Fourth Proportional to 736,302.18, 1,104,179.81 and 256,406.75

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Solution

The fourth proportional to 736,302.18, 1,104,179.81 and 256,406.75 is: 384,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,302.18 : 1,104,179.81 = 256,406.75 : x
  2. Step 2: Convert to fraction form
    736,302.18/1,104,179.81 = 256,406.75/x
  3. Step 3: Cross multiply
    736,302.18x = 1,104,179.81 × 256,406.75
  4. Step 4: Simplify right side
    736,302.18x = 283,119,149,694.79
  5. Step 5: Solve for x
    x = 283,119,149,694.79/736,302.18
  6. Step 6: Final answer
    x = 384,514.89

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Double scale
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Similar ratio
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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.