Home / 804,974.80-1,207,462.20-525,038.80

Finding the Fourth Proportional to 804,974.80, 1,207,462.20 and 525,038.80

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Solution

The fourth proportional to 804,974.80, 1,207,462.20 and 525,038.80 is: 787,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,974.80 : 1,207,462.20 = 525,038.80 : x
  2. Step 2: Convert to fraction form
    804,974.80/1,207,462.20 = 525,038.80/x
  3. Step 3: Cross multiply
    804,974.80x = 1,207,462.20 × 525,038.80
  4. Step 4: Simplify right side
    804,974.80x = 633,964,504,533.36
  5. Step 5: Solve for x
    x = 633,964,504,533.36/804,974.80
  6. Step 6: Final answer
    x = 787,558.20

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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.