Home / 804,922.90-1,207,384.35-538,983.70

Finding the Fourth Proportional to 804,922.90, 1,207,384.35 and 538,983.70

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Solution

The fourth proportional to 804,922.90, 1,207,384.35 and 538,983.70 is: 808,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,922.90 : 1,207,384.35 = 538,983.70 : x
  2. Step 2: Convert to fraction form
    804,922.90/1,207,384.35 = 538,983.70/x
  3. Step 3: Cross multiply
    804,922.90x = 1,207,384.35 × 538,983.70
  4. Step 4: Simplify right side
    804,922.90x = 650,760,484,285.10
  5. Step 5: Solve for x
    x = 650,760,484,285.10/804,922.90
  6. Step 6: Final answer
    x = 808,475.55

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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.