Home / 738,009.04-1,107,434.52-288,766.48

Finding the Fourth Proportional to 738,009.04, 1,107,434.52 and 288,766.48

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Solution

The fourth proportional to 738,009.04, 1,107,434.52 and 288,766.48 is: 433,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,009.04 : 1,107,434.52 = 288,766.48 : x
  2. Step 2: Convert to fraction form
    738,009.04/1,107,434.52 = 288,766.48/x
  3. Step 3: Cross multiply
    738,009.04x = 1,107,434.52 × 288,766.48
  4. Step 4: Simplify right side
    738,009.04x = 319,789,968,170.89
  5. Step 5: Solve for x
    x = 319,789,968,170.89/738,009.04
  6. Step 6: Final answer
    x = 433,314.43

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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.