Home / 747,683.65-1,121,702.26-242,243.81

Finding the Fourth Proportional to 747,683.65, 1,121,702.26 and 242,243.81

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Solution

The fourth proportional to 747,683.65, 1,121,702.26 and 242,243.81 is: 363,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,683.65 : 1,121,702.26 = 242,243.81 : x
  2. Step 2: Convert to fraction form
    747,683.65/1,121,702.26 = 242,243.81/x
  3. Step 3: Cross multiply
    747,683.65x = 1,121,702.26 × 242,243.81
  4. Step 4: Simplify right side
    747,683.65x = 271,725,422,933.89
  5. Step 5: Solve for x
    x = 271,725,422,933.89/747,683.65
  6. Step 6: Final answer
    x = 363,422.98

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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.