Home / 762,226.56-1,051,847.28-422,719.92

Finding the Fourth Proportional to 762,226.56, 1,051,847.28 and 422,719.92

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Solution

The fourth proportional to 762,226.56, 1,051,847.28 and 422,719.92 is: 583,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,226.56 : 1,051,847.28 = 422,719.92 : x
  2. Step 2: Convert to fraction form
    762,226.56/1,051,847.28 = 422,719.92/x
  3. Step 3: Cross multiply
    762,226.56x = 1,051,847.28 × 422,719.92
  4. Step 4: Simplify right side
    762,226.56x = 444,636,798,053.82
  5. Step 5: Solve for x
    x = 444,636,798,053.82/762,226.56
  6. Step 6: Final answer
    x = 583,339.42

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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.