Home / 767,701.98-1,059,086.16-445,225.32

Finding the Fourth Proportional to 767,701.98, 1,059,086.16 and 445,225.32

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Solution

The fourth proportional to 767,701.98, 1,059,086.16 and 445,225.32 is: 614,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,701.98 : 1,059,086.16 = 445,225.32 : x
  2. Step 2: Convert to fraction form
    767,701.98/1,059,086.16 = 445,225.32/x
  3. Step 3: Cross multiply
    767,701.98x = 1,059,086.16 × 445,225.32
  4. Step 4: Simplify right side
    767,701.98x = 471,531,974,493.57
  5. Step 5: Solve for x
    x = 471,531,974,493.57/767,701.98
  6. Step 6: Final answer
    x = 614,212.27

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Double scale
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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.