Home / 762,233.46-1,051,946.79-422,811.06

Finding the Fourth Proportional to 762,233.46, 1,051,946.79 and 422,811.06

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Solution

The fourth proportional to 762,233.46, 1,051,946.79 and 422,811.06 is: 583,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,233.46 : 1,051,946.79 = 422,811.06 : x
  2. Step 2: Convert to fraction form
    762,233.46/1,051,946.79 = 422,811.06/x
  3. Step 3: Cross multiply
    762,233.46x = 1,051,946.79 × 422,811.06
  4. Step 4: Simplify right side
    762,233.46x = 444,774,738,387.82
  5. Step 5: Solve for x
    x = 444,774,738,387.82/762,233.46
  6. Step 6: Final answer
    x = 583,515.10

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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.