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Finding the Fourth Proportional to 652,674.33, 900,747.59 and 380,829.80

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Solution

The fourth proportional to 652,674.33, 900,747.59 and 380,829.80 is: 525,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,674.33 : 900,747.59 = 380,829.80 : x
  2. Step 2: Convert to fraction form
    652,674.33/900,747.59 = 380,829.80/x
  3. Step 3: Cross multiply
    652,674.33x = 900,747.59 × 380,829.80
  4. Step 4: Simplify right side
    652,674.33x = 343,031,524,897.90
  5. Step 5: Solve for x
    x = 343,031,524,897.90/652,674.33
  6. Step 6: Final answer
    x = 525,578.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.