Home / 736,318.05-1,103,033.65-381,564.78

Finding the Fourth Proportional to 736,318.05, 1,103,033.65 and 381,564.78

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Solution

The fourth proportional to 736,318.05, 1,103,033.65 and 381,564.78 is: 571,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,318.05 : 1,103,033.65 = 381,564.78 : x
  2. Step 2: Convert to fraction form
    736,318.05/1,103,033.65 = 381,564.78/x
  3. Step 3: Cross multiply
    736,318.05x = 1,103,033.65 × 381,564.78
  4. Step 4: Simplify right side
    736,318.05x = 420,878,791,994.85
  5. Step 5: Solve for x
    x = 420,878,791,994.85/736,318.05
  6. Step 6: Final answer
    x = 571,599.18

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1.5x scale

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.