Home / 767,684.30-1,059,061.71-445,207.46

Finding the Fourth Proportional to 767,684.30, 1,059,061.71 and 445,207.46

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Solution

The fourth proportional to 767,684.30, 1,059,061.71 and 445,207.46 is: 614,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,684.30 : 1,059,061.71 = 445,207.46 : x
  2. Step 2: Convert to fraction form
    767,684.30/1,059,061.71 = 445,207.46/x
  3. Step 3: Cross multiply
    767,684.30x = 1,059,061.71 × 445,207.46
  4. Step 4: Simplify right side
    767,684.30x = 471,502,173,892.36
  5. Step 5: Solve for x
    x = 471,502,173,892.36/767,684.30
  6. Step 6: Final answer
    x = 614,187.59

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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.