Home / 748,872.10-1,120,975.35-538,920.10

Finding the Fourth Proportional to 748,872.10, 1,120,975.35 and 538,920.10

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Solution

The fourth proportional to 748,872.10, 1,120,975.35 and 538,920.10 is: 806,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,872.10 : 1,120,975.35 = 538,920.10 : x
  2. Step 2: Convert to fraction form
    748,872.10/1,120,975.35 = 538,920.10/x
  3. Step 3: Cross multiply
    748,872.10x = 1,120,975.35 × 538,920.10
  4. Step 4: Simplify right side
    748,872.10x = 604,116,147,719.54
  5. Step 5: Solve for x
    x = 604,116,147,719.54/748,872.10
  6. Step 6: Final answer
    x = 806,701.37

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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.