Home / 711,440.32-1,067,162.28-290,716.24

Finding the Fourth Proportional to 711,440.32, 1,067,162.28 and 290,716.24

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Solution

The fourth proportional to 711,440.32, 1,067,162.28 and 290,716.24 is: 436,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,440.32 : 1,067,162.28 = 290,716.24 : x
  2. Step 2: Convert to fraction form
    711,440.32/1,067,162.28 = 290,716.24/x
  3. Step 3: Cross multiply
    711,440.32x = 1,067,162.28 × 290,716.24
  4. Step 4: Simplify right side
    711,440.32x = 310,241,405,511.43
  5. Step 5: Solve for x
    x = 310,241,405,511.43/711,440.32
  6. Step 6: Final answer
    x = 436,075.10

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Double scale
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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.