Home / 862,180.95-1,189,720.31-530,984.46

Finding the Fourth Proportional to 862,180.95, 1,189,720.31 and 530,984.46

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Solution

The fourth proportional to 862,180.95, 1,189,720.31 and 530,984.46 is: 732,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,180.95 : 1,189,720.31 = 530,984.46 : x
  2. Step 2: Convert to fraction form
    862,180.95/1,189,720.31 = 530,984.46/x
  3. Step 3: Cross multiply
    862,180.95x = 1,189,720.31 × 530,984.46
  4. Step 4: Simplify right side
    862,180.95x = 631,722,993,701.46
  5. Step 5: Solve for x
    x = 631,722,993,701.46/862,180.95
  6. Step 6: Final answer
    x = 732,703.49

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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.