Home / 448,278.03-618,623.91-254,686.07

Finding the Fourth Proportional to 448,278.03, 618,623.91 and 254,686.07

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Solution

The fourth proportional to 448,278.03, 618,623.91 and 254,686.07 is: 351,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,278.03 : 618,623.91 = 254,686.07 : x
  2. Step 2: Convert to fraction form
    448,278.03/618,623.91 = 254,686.07/x
  3. Step 3: Cross multiply
    448,278.03x = 618,623.91 × 254,686.07
  4. Step 4: Simplify right side
    448,278.03x = 157,554,893,992.49
  5. Step 5: Solve for x
    x = 157,554,893,992.49/448,278.03
  6. Step 6: Final answer
    x = 351,466.91

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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.