Home / 674,816.61-931,246.99-368,894.36

Finding the Fourth Proportional to 674,816.61, 931,246.99 and 368,894.36

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Solution

The fourth proportional to 674,816.61, 931,246.99 and 368,894.36 is: 509,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,816.61 : 931,246.99 = 368,894.36 : x
  2. Step 2: Convert to fraction form
    674,816.61/931,246.99 = 368,894.36/x
  3. Step 3: Cross multiply
    674,816.61x = 931,246.99 × 368,894.36
  4. Step 4: Simplify right side
    674,816.61x = 343,531,758,545.59
  5. Step 5: Solve for x
    x = 343,531,758,545.59/674,816.61
  6. Step 6: Final answer
    x = 509,074.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.