Home / 803,356.18-1,205,029.06-204,312.16

Finding the Fourth Proportional to 803,356.18, 1,205,029.06 and 204,312.16

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Solution

The fourth proportional to 803,356.18, 1,205,029.06 and 204,312.16 is: 306,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,356.18 : 1,205,029.06 = 204,312.16 : x
  2. Step 2: Convert to fraction form
    803,356.18/1,205,029.06 = 204,312.16/x
  3. Step 3: Cross multiply
    803,356.18x = 1,205,029.06 × 204,312.16
  4. Step 4: Simplify right side
    803,356.18x = 246,202,085,592.51
  5. Step 5: Solve for x
    x = 246,202,085,592.51/803,356.18
  6. Step 6: Final answer
    x = 306,466.91

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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.