Home / 880,781.71-1,320,848.50-304,258.32

Finding the Fourth Proportional to 880,781.71, 1,320,848.50 and 304,258.32

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Solution

The fourth proportional to 880,781.71, 1,320,848.50 and 304,258.32 is: 456,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,781.71 : 1,320,848.50 = 304,258.32 : x
  2. Step 2: Convert to fraction form
    880,781.71/1,320,848.50 = 304,258.32/x
  3. Step 3: Cross multiply
    880,781.71x = 1,320,848.50 × 304,258.32
  4. Step 4: Simplify right side
    880,781.71x = 401,879,145,491.69
  5. Step 5: Solve for x
    x = 401,879,145,491.69/880,781.71
  6. Step 6: Final answer
    x = 456,275.54

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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.