Home / 993,290.75-1,370,700.88-563,561.65

Finding the Fourth Proportional to 993,290.75, 1,370,700.88 and 563,561.65

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Solution

The fourth proportional to 993,290.75, 1,370,700.88 and 563,561.65 is: 777,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,290.75 : 1,370,700.88 = 563,561.65 : x
  2. Step 2: Convert to fraction form
    993,290.75/1,370,700.88 = 563,561.65/x
  3. Step 3: Cross multiply
    993,290.75x = 1,370,700.88 × 563,561.65
  4. Step 4: Simplify right side
    993,290.75x = 772,474,453,063.76
  5. Step 5: Solve for x
    x = 772,474,453,063.76/993,290.75
  6. Step 6: Final answer
    x = 777,692.19

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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.