Home / 787,111.56-1,179,670.50-502,692.21

Finding the Fourth Proportional to 787,111.56, 1,179,670.50 and 502,692.21

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Solution

The fourth proportional to 787,111.56, 1,179,670.50 and 502,692.21 is: 753,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,111.56 : 1,179,670.50 = 502,692.21 : x
  2. Step 2: Convert to fraction form
    787,111.56/1,179,670.50 = 502,692.21/x
  3. Step 3: Cross multiply
    787,111.56x = 1,179,670.50 × 502,692.21
  4. Step 4: Simplify right side
    787,111.56x = 593,011,170,716.81
  5. Step 5: Solve for x
    x = 593,011,170,716.81/787,111.56
  6. Step 6: Final answer
    x = 753,401.68

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1.5x scale

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.