Home / 736,366.60-1,105,133.10-287,302.60

Finding the Fourth Proportional to 736,366.60, 1,105,133.10 and 287,302.60

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Solution

The fourth proportional to 736,366.60, 1,105,133.10 and 287,302.60 is: 431,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,366.60 : 1,105,133.10 = 287,302.60 : x
  2. Step 2: Convert to fraction form
    736,366.60/1,105,133.10 = 287,302.60/x
  3. Step 3: Cross multiply
    736,366.60x = 1,105,133.10 × 287,302.60
  4. Step 4: Simplify right side
    736,366.60x = 317,507,612,976.06
  5. Step 5: Solve for x
    x = 317,507,612,976.06/736,366.60
  6. Step 6: Final answer
    x = 431,181.44

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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.