Home / 778,417.48-1,167,784.17-329,137.21

Finding the Fourth Proportional to 778,417.48, 1,167,784.17 and 329,137.21

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Solution

The fourth proportional to 778,417.48, 1,167,784.17 and 329,137.21 is: 493,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,417.48 : 1,167,784.17 = 329,137.21 : x
  2. Step 2: Convert to fraction form
    778,417.48/1,167,784.17 = 329,137.21/x
  3. Step 3: Cross multiply
    778,417.48x = 1,167,784.17 × 329,137.21
  4. Step 4: Simplify right side
    778,417.48x = 384,361,223,595.97
  5. Step 5: Solve for x
    x = 384,361,223,595.97/778,417.48
  6. Step 6: Final answer
    x = 493,772.60

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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.