Home / 770,529.84-1,156,023.72-371,055.12

Finding the Fourth Proportional to 770,529.84, 1,156,023.72 and 371,055.12

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Solution

The fourth proportional to 770,529.84, 1,156,023.72 and 371,055.12 is: 556,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,529.84 : 1,156,023.72 = 371,055.12 : x
  2. Step 2: Convert to fraction form
    770,529.84/1,156,023.72 = 371,055.12/x
  3. Step 3: Cross multiply
    770,529.84x = 1,156,023.72 × 371,055.12
  4. Step 4: Simplify right side
    770,529.84x = 428,948,520,147.45
  5. Step 5: Solve for x
    x = 428,948,520,147.45/770,529.84
  6. Step 6: Final answer
    x = 556,692.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.