Home / 736,743.95-1,105,116.37-231,302.71

Finding the Fourth Proportional to 736,743.95, 1,105,116.37 and 231,302.71

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Solution

The fourth proportional to 736,743.95, 1,105,116.37 and 231,302.71 is: 346,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,743.95 : 1,105,116.37 = 231,302.71 : x
  2. Step 2: Convert to fraction form
    736,743.95/1,105,116.37 = 231,302.71/x
  3. Step 3: Cross multiply
    736,743.95x = 1,105,116.37 × 231,302.71
  4. Step 4: Simplify right side
    736,743.95x = 255,616,410,089.85
  5. Step 5: Solve for x
    x = 255,616,410,089.85/736,743.95
  6. Step 6: Final answer
    x = 346,954.20

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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.