Home / 627,815.10-941,722.65-603,320.70

Finding the Fourth Proportional to 627,815.10, 941,722.65 and 603,320.70

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Solution

The fourth proportional to 627,815.10, 941,722.65 and 603,320.70 is: 904,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,815.10 : 941,722.65 = 603,320.70 : x
  2. Step 2: Convert to fraction form
    627,815.10/941,722.65 = 603,320.70/x
  3. Step 3: Cross multiply
    627,815.10x = 941,722.65 × 603,320.70
  4. Step 4: Simplify right side
    627,815.10x = 568,160,768,403.86
  5. Step 5: Solve for x
    x = 568,160,768,403.86/627,815.10
  6. Step 6: Final answer
    x = 904,981.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.