Home / 762,416.64-1,052,127.36-422,876.16

Finding the Fourth Proportional to 762,416.64, 1,052,127.36 and 422,876.16

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Solution

The fourth proportional to 762,416.64, 1,052,127.36 and 422,876.16 is: 583,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,416.64 : 1,052,127.36 = 422,876.16 : x
  2. Step 2: Convert to fraction form
    762,416.64/1,052,127.36 = 422,876.16/x
  3. Step 3: Cross multiply
    762,416.64x = 1,052,127.36 × 422,876.16
  4. Step 4: Simplify right side
    762,416.64x = 444,919,577,827.74
  5. Step 5: Solve for x
    x = 444,919,577,827.74/762,416.64
  6. Step 6: Final answer
    x = 583,564.88

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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.