Home / 760,972.49-1,141,431.05-228,479.68

Finding the Fourth Proportional to 760,972.49, 1,141,431.05 and 228,479.68

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Solution

The fourth proportional to 760,972.49, 1,141,431.05 and 228,479.68 is: 342,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,972.49 : 1,141,431.05 = 228,479.68 : x
  2. Step 2: Convert to fraction form
    760,972.49/1,141,431.05 = 228,479.68/x
  3. Step 3: Cross multiply
    760,972.49x = 1,141,431.05 × 228,479.68
  4. Step 4: Simplify right side
    760,972.49x = 260,793,801,046.06
  5. Step 5: Solve for x
    x = 260,793,801,046.06/760,972.49
  6. Step 6: Final answer
    x = 342,711.21

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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.