Home / 784,727-1,083,252.32-530,422.64

Finding the Fourth Proportional to 784,727, 1,083,252.32 and 530,422.64

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Solution

The fourth proportional to 784,727, 1,083,252.32 and 530,422.64 is: 732,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,727 : 1,083,252.32 = 530,422.64 : x
  2. Step 2: Convert to fraction form
    784,727/1,083,252.32 = 530,422.64/x
  3. Step 3: Cross multiply
    784,727x = 1,083,252.32 × 530,422.64
  4. Step 4: Simplify right side
    784,727x = 574,581,555,360.53
  5. Step 5: Solve for x
    x = 574,581,555,360.53/784,727
  6. Step 6: Final answer
    x = 732,205.67

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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.