Home / 448,278.12-618,624.04-254,686.17

Finding the Fourth Proportional to 448,278.12, 618,624.04 and 254,686.17

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Solution

The fourth proportional to 448,278.12, 618,624.04 and 254,686.17 is: 351,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,278.12 : 618,624.04 = 254,686.17 : x
  2. Step 2: Convert to fraction form
    448,278.12/618,624.04 = 254,686.17/x
  3. Step 3: Cross multiply
    448,278.12x = 618,624.04 × 254,686.17
  4. Step 4: Simplify right side
    448,278.12x = 157,554,987,417.53
  5. Step 5: Solve for x
    x = 157,554,987,417.53/448,278.12
  6. Step 6: Final answer
    x = 351,467.05

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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.