Home / 868,223.02-1,302,778.64-413,328.24

Finding the Fourth Proportional to 868,223.02, 1,302,778.64 and 413,328.24

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Solution

The fourth proportional to 868,223.02, 1,302,778.64 and 413,328.24 is: 620,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,223.02 : 1,302,778.64 = 413,328.24 : x
  2. Step 2: Convert to fraction form
    868,223.02/1,302,778.64 = 413,328.24/x
  3. Step 3: Cross multiply
    868,223.02x = 1,302,778.64 × 413,328.24
  4. Step 4: Simplify right side
    868,223.02x = 538,475,202,380.79
  5. Step 5: Solve for x
    x = 538,475,202,380.79/868,223.02
  6. Step 6: Final answer
    x = 620,203.78

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1.5x scale

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.