Home / 725,815.82-1,001,681.88-435,438.28

Finding the Fourth Proportional to 725,815.82, 1,001,681.88 and 435,438.28

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Solution

The fourth proportional to 725,815.82, 1,001,681.88 and 435,438.28 is: 600,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,815.82 : 1,001,681.88 = 435,438.28 : x
  2. Step 2: Convert to fraction form
    725,815.82/1,001,681.88 = 435,438.28/x
  3. Step 3: Cross multiply
    725,815.82x = 1,001,681.88 × 435,438.28
  4. Step 4: Simplify right side
    725,815.82x = 436,170,634,553.58
  5. Step 5: Solve for x
    x = 436,170,634,553.58/725,815.82
  6. Step 6: Final answer
    x = 600,938.45

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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.