Home / 626,937.80-865,166.54-340,459.94

Finding the Fourth Proportional to 626,937.80, 865,166.54 and 340,459.94

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Solution

The fourth proportional to 626,937.80, 865,166.54 and 340,459.94 is: 469,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,937.80 : 865,166.54 = 340,459.94 : x
  2. Step 2: Convert to fraction form
    626,937.80/865,166.54 = 340,459.94/x
  3. Step 3: Cross multiply
    626,937.80x = 865,166.54 × 340,459.94
  4. Step 4: Simplify right side
    626,937.80x = 294,554,548,298.41
  5. Step 5: Solve for x
    x = 294,554,548,298.41/626,937.80
  6. Step 6: Final answer
    x = 469,830.58

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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.