Home / 503,028.23-694,277.58-288,312.20

Finding the Fourth Proportional to 503,028.23, 694,277.58 and 288,312.20

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Solution

The fourth proportional to 503,028.23, 694,277.58 and 288,312.20 is: 397,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,028.23 : 694,277.58 = 288,312.20 : x
  2. Step 2: Convert to fraction form
    503,028.23/694,277.58 = 288,312.20/x
  3. Step 3: Cross multiply
    503,028.23x = 694,277.58 × 288,312.20
  4. Step 4: Simplify right side
    503,028.23x = 200,168,696,500.48
  5. Step 5: Solve for x
    x = 200,168,696,500.48/503,028.23
  6. Step 6: Final answer
    x = 397,927.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.