Home / 626,937.61-865,166.28-340,459.74

Finding the Fourth Proportional to 626,937.61, 865,166.28 and 340,459.74

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Solution

The fourth proportional to 626,937.61, 865,166.28 and 340,459.74 is: 469,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,937.61 : 865,166.28 = 340,459.74 : x
  2. Step 2: Convert to fraction form
    626,937.61/865,166.28 = 340,459.74/x
  3. Step 3: Cross multiply
    626,937.61x = 865,166.28 × 340,459.74
  4. Step 4: Simplify right side
    626,937.61x = 294,554,286,745.57
  5. Step 5: Solve for x
    x = 294,554,286,745.57/626,937.61
  6. Step 6: Final answer
    x = 469,830.30

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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.