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Finding the Fourth Proportional to 607,537.80, 911,306.70 and 253,243.80

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Solution

The fourth proportional to 607,537.80, 911,306.70 and 253,243.80 is: 379,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,537.80 : 911,306.70 = 253,243.80 : x
  2. Step 2: Convert to fraction form
    607,537.80/911,306.70 = 253,243.80/x
  3. Step 3: Cross multiply
    607,537.80x = 911,306.70 × 253,243.80
  4. Step 4: Simplify right side
    607,537.80x = 230,782,771,673.46
  5. Step 5: Solve for x
    x = 230,782,771,673.46/607,537.80
  6. Step 6: Final answer
    x = 379,865.70

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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.