Home / 762,438.64-1,052,157.72-422,898.16

Finding the Fourth Proportional to 762,438.64, 1,052,157.72 and 422,898.16

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Solution

The fourth proportional to 762,438.64, 1,052,157.72 and 422,898.16 is: 583,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,438.64 : 1,052,157.72 = 422,898.16 : x
  2. Step 2: Convert to fraction form
    762,438.64/1,052,157.72 = 422,898.16/x
  3. Step 3: Cross multiply
    762,438.64x = 1,052,157.72 × 422,898.16
  4. Step 4: Simplify right side
    762,438.64x = 444,955,563,817.80
  5. Step 5: Solve for x
    x = 444,955,563,817.80/762,438.64
  6. Step 6: Final answer
    x = 583,595.24

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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.