Home / 920,706.87-1,270,524.98-507,162.59

Finding the Fourth Proportional to 920,706.87, 1,270,524.98 and 507,162.59

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Solution

The fourth proportional to 920,706.87, 1,270,524.98 and 507,162.59 is: 699,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,706.87 : 1,270,524.98 = 507,162.59 : x
  2. Step 2: Convert to fraction form
    920,706.87/1,270,524.98 = 507,162.59/x
  3. Step 3: Cross multiply
    920,706.87x = 1,270,524.98 × 507,162.59
  4. Step 4: Simplify right side
    920,706.87x = 644,362,734,431.78
  5. Step 5: Solve for x
    x = 644,362,734,431.78/920,706.87
  6. Step 6: Final answer
    x = 699,856.55

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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.