Home / 762,426.64-1,052,141.16-422,886.16

Finding the Fourth Proportional to 762,426.64, 1,052,141.16 and 422,886.16

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Solution

The fourth proportional to 762,426.64, 1,052,141.16 and 422,886.16 is: 583,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,426.64 : 1,052,141.16 = 422,886.16 : x
  2. Step 2: Convert to fraction form
    762,426.64/1,052,141.16 = 422,886.16/x
  3. Step 3: Cross multiply
    762,426.64x = 1,052,141.16 × 422,886.16
  4. Step 4: Simplify right side
    762,426.64x = 444,935,934,930.35
  5. Step 5: Solve for x
    x = 444,935,934,930.35/762,426.64
  6. Step 6: Final answer
    x = 583,578.68

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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.