Home / 626,933.79-865,161.02-340,455.94

Finding the Fourth Proportional to 626,933.79, 865,161.02 and 340,455.94

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Solution

The fourth proportional to 626,933.79, 865,161.02 and 340,455.94 is: 469,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,933.79 : 865,161.02 = 340,455.94 : x
  2. Step 2: Convert to fraction form
    626,933.79/865,161.02 = 340,455.94/x
  3. Step 3: Cross multiply
    626,933.79x = 865,161.02 × 340,455.94
  4. Step 4: Simplify right side
    626,933.79x = 294,549,207,003.70
  5. Step 5: Solve for x
    x = 294,549,207,003.70/626,933.79
  6. Step 6: Final answer
    x = 469,825.06

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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.