Home / 627,035.58-865,294.86-340,549.50

Finding the Fourth Proportional to 627,035.58, 865,294.86 and 340,549.50

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Solution

The fourth proportional to 627,035.58, 865,294.86 and 340,549.50 is: 469,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,035.58 : 865,294.86 = 340,549.50 : x
  2. Step 2: Convert to fraction form
    627,035.58/865,294.86 = 340,549.50/x
  3. Step 3: Cross multiply
    627,035.58x = 865,294.86 × 340,549.50
  4. Step 4: Simplify right side
    627,035.58x = 294,675,731,925.57
  5. Step 5: Solve for x
    x = 294,675,731,925.57/627,035.58
  6. Step 6: Final answer
    x = 469,950.58

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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.