Home / 767,740.16-1,059,692.28-445,554.02

Finding the Fourth Proportional to 767,740.16, 1,059,692.28 and 445,554.02

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Solution

The fourth proportional to 767,740.16, 1,059,692.28 and 445,554.02 is: 614,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,740.16 : 1,059,692.28 = 445,554.02 : x
  2. Step 2: Convert to fraction form
    767,740.16/1,059,692.28 = 445,554.02/x
  3. Step 3: Cross multiply
    767,740.16x = 1,059,692.28 × 445,554.02
  4. Step 4: Simplify right side
    767,740.16x = 472,150,155,316.97
  5. Step 5: Solve for x
    x = 472,150,155,316.97/767,740.16
  6. Step 6: Final answer
    x = 614,986.92

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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.