Home / 452,515.02-624,434.31-261,540.78

Finding the Fourth Proportional to 452,515.02, 624,434.31 and 261,540.78

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Solution

The fourth proportional to 452,515.02, 624,434.31 and 261,540.78 is: 360,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,515.02 : 624,434.31 = 261,540.78 : x
  2. Step 2: Convert to fraction form
    452,515.02/624,434.31 = 261,540.78/x
  3. Step 3: Cross multiply
    452,515.02x = 624,434.31 × 261,540.78
  4. Step 4: Simplify right side
    452,515.02x = 163,315,036,496.16
  5. Step 5: Solve for x
    x = 163,315,036,496.16/452,515.02
  6. Step 6: Final answer
    x = 360,905.23

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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.