Home / 519,226.60-778,302.30-282,068.20

Finding the Fourth Proportional to 519,226.60, 778,302.30 and 282,068.20

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Solution

The fourth proportional to 519,226.60, 778,302.30 and 282,068.20 is: 422,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,226.60 : 778,302.30 = 282,068.20 : x
  2. Step 2: Convert to fraction form
    519,226.60/778,302.30 = 282,068.20/x
  3. Step 3: Cross multiply
    519,226.60x = 778,302.30 × 282,068.20
  4. Step 4: Simplify right side
    519,226.60x = 219,534,328,816.86
  5. Step 5: Solve for x
    x = 219,534,328,816.86/519,226.60
  6. Step 6: Final answer
    x = 422,810.25

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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.