Home / 762,439.64-1,052,159.10-422,899.16

Finding the Fourth Proportional to 762,439.64, 1,052,159.10 and 422,899.16

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Solution

The fourth proportional to 762,439.64, 1,052,159.10 and 422,899.16 is: 583,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,439.64 : 1,052,159.10 = 422,899.16 : x
  2. Step 2: Convert to fraction form
    762,439.64/1,052,159.10 = 422,899.16/x
  3. Step 3: Cross multiply
    762,439.64x = 1,052,159.10 × 422,899.16
  4. Step 4: Simplify right side
    762,439.64x = 444,957,199,576.36
  5. Step 5: Solve for x
    x = 444,957,199,576.36/762,439.64
  6. Step 6: Final answer
    x = 583,596.62

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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.