Home / 1,323.31-1,985.01-433.93

Finding the Fourth Proportional to 1,323.31, 1,985.01 and 433.93

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Solution

The fourth proportional to 1,323.31, 1,985.01 and 433.93 is: 650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.31 : 1,985.01 = 433.93 : x
  2. Step 2: Convert to fraction form
    1,323.31/1,985.01 = 433.93/x
  3. Step 3: Cross multiply
    1,323.31x = 1,985.01 × 433.93
  4. Step 4: Simplify right side
    1,323.31x = 861,355.39
  5. Step 5: Solve for x
    x = 861,355.39/1,323.31
  6. Step 6: Final answer
    x = 650.91

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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.