Home / 687,154.51-1,030,233.41-461,956.29

Finding the Fourth Proportional to 687,154.51, 1,030,233.41 and 461,956.29

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Solution

The fourth proportional to 687,154.51, 1,030,233.41 and 461,956.29 is: 692,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,154.51 : 1,030,233.41 = 461,956.29 : x
  2. Step 2: Convert to fraction form
    687,154.51/1,030,233.41 = 461,956.29/x
  3. Step 3: Cross multiply
    687,154.51x = 1,030,233.41 × 461,956.29
  4. Step 4: Simplify right side
    687,154.51x = 475,922,803,917.65
  5. Step 5: Solve for x
    x = 475,922,803,917.65/687,154.51
  6. Step 6: Final answer
    x = 692,599.40

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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.