Home / 346,823.20-520,234.80-326,087.20

Finding the Fourth Proportional to 346,823.20, 520,234.80 and 326,087.20

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Solution

The fourth proportional to 346,823.20, 520,234.80 and 326,087.20 is: 489,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,823.20 : 520,234.80 = 326,087.20 : x
  2. Step 2: Convert to fraction form
    346,823.20/520,234.80 = 326,087.20/x
  3. Step 3: Cross multiply
    346,823.20x = 520,234.80 × 326,087.20
  4. Step 4: Simplify right side
    346,823.20x = 169,641,909,274.56
  5. Step 5: Solve for x
    x = 169,641,909,274.56/346,823.20
  6. Step 6: Final answer
    x = 489,130.80

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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.