Home / 921,499.02-1,382,871.35-322,465.48

Finding the Fourth Proportional to 921,499.02, 1,382,871.35 and 322,465.48

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Solution

The fourth proportional to 921,499.02, 1,382,871.35 and 322,465.48 is: 483,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,499.02 : 1,382,871.35 = 322,465.48 : x
  2. Step 2: Convert to fraction form
    921,499.02/1,382,871.35 = 322,465.48/x
  3. Step 3: Cross multiply
    921,499.02x = 1,382,871.35 × 322,465.48
  4. Step 4: Simplify right side
    921,499.02x = 445,928,273,656.00
  5. Step 5: Solve for x
    x = 445,928,273,656.00/921,499.02
  6. Step 6: Final answer
    x = 483,916.17

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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.