Home / 888,605.54-1,226,271.96-480,706.42

Finding the Fourth Proportional to 888,605.54, 1,226,271.96 and 480,706.42

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Solution

The fourth proportional to 888,605.54, 1,226,271.96 and 480,706.42 is: 663,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,605.54 : 1,226,271.96 = 480,706.42 : x
  2. Step 2: Convert to fraction form
    888,605.54/1,226,271.96 = 480,706.42/x
  3. Step 3: Cross multiply
    888,605.54x = 1,226,271.96 × 480,706.42
  4. Step 4: Simplify right side
    888,605.54x = 589,476,803,837.98
  5. Step 5: Solve for x
    x = 589,476,803,837.98/888,605.54
  6. Step 6: Final answer
    x = 663,372.87

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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.