Home / 448,280.72-618,627.60-254,688.75

Finding the Fourth Proportional to 448,280.72, 618,627.60 and 254,688.75

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Solution

The fourth proportional to 448,280.72, 618,627.60 and 254,688.75 is: 351,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,280.72 : 618,627.60 = 254,688.75 : x
  2. Step 2: Convert to fraction form
    448,280.72/618,627.60 = 254,688.75/x
  3. Step 3: Cross multiply
    448,280.72x = 618,627.60 × 254,688.75
  4. Step 4: Simplify right side
    448,280.72x = 157,557,490,159.50
  5. Step 5: Solve for x
    x = 157,557,490,159.50/448,280.72
  6. Step 6: Final answer
    x = 351,470.60

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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.