Home / 711,444.41-1,067,168.43-290,720.28

Finding the Fourth Proportional to 711,444.41, 1,067,168.43 and 290,720.28

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Solution

The fourth proportional to 711,444.41, 1,067,168.43 and 290,720.28 is: 436,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,444.41 : 1,067,168.43 = 290,720.28 : x
  2. Step 2: Convert to fraction form
    711,444.41/1,067,168.43 = 290,720.28/x
  3. Step 3: Cross multiply
    711,444.41x = 1,067,168.43 × 290,720.28
  4. Step 4: Simplify right side
    711,444.41x = 310,247,504,776.76
  5. Step 5: Solve for x
    x = 310,247,504,776.76/711,444.41
  6. Step 6: Final answer
    x = 436,081.16

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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.