Home / 448,526.90-618,944.42-254,929.55

Finding the Fourth Proportional to 448,526.90, 618,944.42 and 254,929.55

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Solution

The fourth proportional to 448,526.90, 618,944.42 and 254,929.55 is: 351,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,526.90 : 618,944.42 = 254,929.55 : x
  2. Step 2: Convert to fraction form
    448,526.90/618,944.42 = 254,929.55/x
  3. Step 3: Cross multiply
    448,526.90x = 618,944.42 × 254,929.55
  4. Step 4: Simplify right side
    448,526.90x = 157,787,220,008.21
  5. Step 5: Solve for x
    x = 157,787,220,008.21/448,526.90
  6. Step 6: Final answer
    x = 351,789.87

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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.