Home / 760,767.20-1,141,149.72-228,287.36

Finding the Fourth Proportional to 760,767.20, 1,141,149.72 and 228,287.36

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Solution

The fourth proportional to 760,767.20, 1,141,149.72 and 228,287.36 is: 342,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,767.20 : 1,141,149.72 = 228,287.36 : x
  2. Step 2: Convert to fraction form
    760,767.20/1,141,149.72 = 228,287.36/x
  3. Step 3: Cross multiply
    760,767.20x = 1,141,149.72 × 228,287.36
  4. Step 4: Simplify right side
    760,767.20x = 260,510,056,943.54
  5. Step 5: Solve for x
    x = 260,510,056,943.54/760,767.20
  6. Step 6: Final answer
    x = 342,430.72

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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.