Home / 677,155.40-1,015,016.95-250,417.02

Finding the Fourth Proportional to 677,155.40, 1,015,016.95 and 250,417.02

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Solution

The fourth proportional to 677,155.40, 1,015,016.95 and 250,417.02 is: 375,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,155.40 : 1,015,016.95 = 250,417.02 : x
  2. Step 2: Convert to fraction form
    677,155.40/1,015,016.95 = 250,417.02/x
  3. Step 3: Cross multiply
    677,155.40x = 1,015,016.95 × 250,417.02
  4. Step 4: Simplify right side
    677,155.40x = 254,177,519,868.49
  5. Step 5: Solve for x
    x = 254,177,519,868.49/677,155.40
  6. Step 6: Final answer
    x = 375,360.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.