Home / 862,041.44-1,291,721.02-329,271.68

Finding the Fourth Proportional to 862,041.44, 1,291,721.02 and 329,271.68

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Solution

The fourth proportional to 862,041.44, 1,291,721.02 and 329,271.68 is: 493,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,041.44 : 1,291,721.02 = 329,271.68 : x
  2. Step 2: Convert to fraction form
    862,041.44/1,291,721.02 = 329,271.68/x
  3. Step 3: Cross multiply
    862,041.44x = 1,291,721.02 × 329,271.68
  4. Step 4: Simplify right side
    862,041.44x = 425,327,150,346.71
  5. Step 5: Solve for x
    x = 425,327,150,346.71/862,041.44
  6. Step 6: Final answer
    x = 493,395.25

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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.