Home / 346,810.20-520,215.30-326,074.20

Finding the Fourth Proportional to 346,810.20, 520,215.30 and 326,074.20

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Solution

The fourth proportional to 346,810.20, 520,215.30 and 326,074.20 is: 489,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,810.20 : 520,215.30 = 326,074.20 : x
  2. Step 2: Convert to fraction form
    346,810.20/520,215.30 = 326,074.20/x
  3. Step 3: Cross multiply
    346,810.20x = 520,215.30 × 326,074.20
  4. Step 4: Simplify right side
    346,810.20x = 169,628,787,775.26
  5. Step 5: Solve for x
    x = 169,628,787,775.26/346,810.20
  6. Step 6: Final answer
    x = 489,111.30

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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.