Home / 687,022.89-1,030,036.11-461,824.77

Finding the Fourth Proportional to 687,022.89, 1,030,036.11 and 461,824.77

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Solution

The fourth proportional to 687,022.89, 1,030,036.11 and 461,824.77 is: 692,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,022.89 : 1,030,036.11 = 461,824.77 : x
  2. Step 2: Convert to fraction form
    687,022.89/1,030,036.11 = 461,824.77/x
  3. Step 3: Cross multiply
    687,022.89x = 1,030,036.11 × 461,824.77
  4. Step 4: Simplify right side
    687,022.89x = 475,696,183,681.77
  5. Step 5: Solve for x
    x = 475,696,183,681.77/687,022.89
  6. Step 6: Final answer
    x = 692,402.23

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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.