Home / 891,622.60-1,230,439.04-509,657.58

Finding the Fourth Proportional to 891,622.60, 1,230,439.04 and 509,657.58

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Solution

The fourth proportional to 891,622.60, 1,230,439.04 and 509,657.58 is: 703,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,622.60 : 1,230,439.04 = 509,657.58 : x
  2. Step 2: Convert to fraction form
    891,622.60/1,230,439.04 = 509,657.58/x
  3. Step 3: Cross multiply
    891,622.60x = 1,230,439.04 × 509,657.58
  4. Step 4: Simplify right side
    891,622.60x = 627,102,583,463.92
  5. Step 5: Solve for x
    x = 627,102,583,463.92/891,622.60
  6. Step 6: Final answer
    x = 703,327.38

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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.