Home / 760,935.20-1,141,478.33-281,288.70

Finding the Fourth Proportional to 760,935.20, 1,141,478.33 and 281,288.70

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Solution

The fourth proportional to 760,935.20, 1,141,478.33 and 281,288.70 is: 421,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,935.20 : 1,141,478.33 = 281,288.70 : x
  2. Step 2: Convert to fraction form
    760,935.20/1,141,478.33 = 281,288.70/x
  3. Step 3: Cross multiply
    760,935.20x = 1,141,478.33 × 281,288.70
  4. Step 4: Simplify right side
    760,935.20x = 321,084,954,117.43
  5. Step 5: Solve for x
    x = 321,084,954,117.43/760,935.20
  6. Step 6: Final answer
    x = 421,960.97

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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.