Home / 963,442.76-1,329,692.56-555,464.69

Finding the Fourth Proportional to 963,442.76, 1,329,692.56 and 555,464.69

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Solution

The fourth proportional to 963,442.76, 1,329,692.56 and 555,464.69 is: 766,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,442.76 : 1,329,692.56 = 555,464.69 : x
  2. Step 2: Convert to fraction form
    963,442.76/1,329,692.56 = 555,464.69/x
  3. Step 3: Cross multiply
    963,442.76x = 1,329,692.56 × 555,464.69
  4. Step 4: Simplify right side
    963,442.76x = 738,597,262,584.93
  5. Step 5: Solve for x
    x = 738,597,262,584.93/963,442.76
  6. Step 6: Final answer
    x = 766,622.88

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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.