Home / 804,957.30-1,207,435.95-525,021.30

Finding the Fourth Proportional to 804,957.30, 1,207,435.95 and 525,021.30

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Solution

The fourth proportional to 804,957.30, 1,207,435.95 and 525,021.30 is: 787,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,957.30 : 1,207,435.95 = 525,021.30 : x
  2. Step 2: Convert to fraction form
    804,957.30/1,207,435.95 = 525,021.30/x
  3. Step 3: Cross multiply
    804,957.30x = 1,207,435.95 × 525,021.30
  4. Step 4: Simplify right side
    804,957.30x = 633,929,592,135.74
  5. Step 5: Solve for x
    x = 633,929,592,135.74/804,957.30
  6. Step 6: Final answer
    x = 787,531.95

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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.