Home / 931,022.02-1,284,811.23-528,614.02

Finding the Fourth Proportional to 931,022.02, 1,284,811.23 and 528,614.02

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Solution

The fourth proportional to 931,022.02, 1,284,811.23 and 528,614.02 is: 729,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,022.02 : 1,284,811.23 = 528,614.02 : x
  2. Step 2: Convert to fraction form
    931,022.02/1,284,811.23 = 528,614.02/x
  3. Step 3: Cross multiply
    931,022.02x = 1,284,811.23 × 528,614.02
  4. Step 4: Simplify right side
    931,022.02x = 679,169,229,231.45
  5. Step 5: Solve for x
    x = 679,169,229,231.45/931,022.02
  6. Step 6: Final answer
    x = 729,487.83

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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.