Home / 937,990.39-1,406,640.95-322,319.76

Finding the Fourth Proportional to 937,990.39, 1,406,640.95 and 322,319.76

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Solution

The fourth proportional to 937,990.39, 1,406,640.95 and 322,319.76 is: 483,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,990.39 : 1,406,640.95 = 322,319.76 : x
  2. Step 2: Convert to fraction form
    937,990.39/1,406,640.95 = 322,319.76/x
  3. Step 3: Cross multiply
    937,990.39x = 1,406,640.95 × 322,319.76
  4. Step 4: Simplify right side
    937,990.39x = 453,388,166,825.84
  5. Step 5: Solve for x
    x = 453,388,166,825.84/937,990.39
  6. Step 6: Final answer
    x = 483,361.21

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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.