Home / 448,277.71-618,623.47-254,685.76

Finding the Fourth Proportional to 448,277.71, 618,623.47 and 254,685.76

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Solution

The fourth proportional to 448,277.71, 618,623.47 and 254,685.76 is: 351,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.71 : 618,623.47 = 254,685.76 : x
  2. Step 2: Convert to fraction form
    448,277.71/618,623.47 = 254,685.76/x
  3. Step 3: Cross multiply
    448,277.71x = 618,623.47 × 254,685.76
  4. Step 4: Simplify right side
    448,277.71x = 157,554,584,244.24
  5. Step 5: Solve for x
    x = 157,554,584,244.24/448,277.71
  6. Step 6: Final answer
    x = 351,466.47

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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.