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Finding the Fourth Proportional to 804,232.32, 1,205,889.12 and 330,528

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Solution

The fourth proportional to 804,232.32, 1,205,889.12 and 330,528 is: 495,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,232.32 : 1,205,889.12 = 330,528 : x
  2. Step 2: Convert to fraction form
    804,232.32/1,205,889.12 = 330,528/x
  3. Step 3: Cross multiply
    804,232.32x = 1,205,889.12 × 330,528
  4. Step 4: Simplify right side
    804,232.32x = 398,580,119,055.36
  5. Step 5: Solve for x
    x = 398,580,119,055.36/804,232.32
  6. Step 6: Final answer
    x = 495,603.21

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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.