Home / 691,124.54-1,039,849.05-410,851.58

Finding the Fourth Proportional to 691,124.54, 1,039,849.05 and 410,851.58

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Solution

The fourth proportional to 691,124.54, 1,039,849.05 and 410,851.58 is: 618,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,124.54 : 1,039,849.05 = 410,851.58 : x
  2. Step 2: Convert to fraction form
    691,124.54/1,039,849.05 = 410,851.58/x
  3. Step 3: Cross multiply
    691,124.54x = 1,039,849.05 × 410,851.58
  4. Step 4: Simplify right side
    691,124.54x = 427,223,625,154.00
  5. Step 5: Solve for x
    x = 427,223,625,154.00/691,124.54
  6. Step 6: Final answer
    x = 618,157.22

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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.