Home / 802,904.80-1,202,974.80-423,263.20

Finding the Fourth Proportional to 802,904.80, 1,202,974.80 and 423,263.20

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Solution

The fourth proportional to 802,904.80, 1,202,974.80 and 423,263.20 is: 634,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,904.80 : 1,202,974.80 = 423,263.20 : x
  2. Step 2: Convert to fraction form
    802,904.80/1,202,974.80 = 423,263.20/x
  3. Step 3: Cross multiply
    802,904.80x = 1,202,974.80 × 423,263.20
  4. Step 4: Simplify right side
    802,904.80x = 509,174,963,367.36
  5. Step 5: Solve for x
    x = 509,174,963,367.36/802,904.80
  6. Step 6: Final answer
    x = 634,166.05

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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.