Home / 803,660.58-1,205,490.81-626,300.28

Finding the Fourth Proportional to 803,660.58, 1,205,490.81 and 626,300.28

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Solution

The fourth proportional to 803,660.58, 1,205,490.81 and 626,300.28 is: 939,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,660.58 : 1,205,490.81 = 626,300.28 : x
  2. Step 2: Convert to fraction form
    803,660.58/1,205,490.81 = 626,300.28/x
  3. Step 3: Cross multiply
    803,660.58x = 1,205,490.81 × 626,300.28
  4. Step 4: Simplify right side
    803,660.58x = 754,999,231,840.43
  5. Step 5: Solve for x
    x = 754,999,231,840.43/803,660.58
  6. Step 6: Final answer
    x = 939,450.37

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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.