Home / 900,988.68-1,351,792.14-340,183.56

Finding the Fourth Proportional to 900,988.68, 1,351,792.14 and 340,183.56

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Solution

The fourth proportional to 900,988.68, 1,351,792.14 and 340,183.56 is: 510,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,988.68 : 1,351,792.14 = 340,183.56 : x
  2. Step 2: Convert to fraction form
    900,988.68/1,351,792.14 = 340,183.56/x
  3. Step 3: Cross multiply
    900,988.68x = 1,351,792.14 × 340,183.56
  4. Step 4: Simplify right side
    900,988.68x = 459,857,462,565.22
  5. Step 5: Solve for x
    x = 459,857,462,565.22/900,988.68
  6. Step 6: Final answer
    x = 510,392.05

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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.