Home / 841,553.36-1,262,057.40-280,437.20

Finding the Fourth Proportional to 841,553.36, 1,262,057.40 and 280,437.20

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Solution

The fourth proportional to 841,553.36, 1,262,057.40 and 280,437.20 is: 420,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,553.36 : 1,262,057.40 = 280,437.20 : x
  2. Step 2: Convert to fraction form
    841,553.36/1,262,057.40 = 280,437.20/x
  3. Step 3: Cross multiply
    841,553.36x = 1,262,057.40 × 280,437.20
  4. Step 4: Simplify right side
    841,553.36x = 353,927,843,495.28
  5. Step 5: Solve for x
    x = 353,927,843,495.28/841,553.36
  6. Step 6: Final answer
    x = 420,564.95

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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.