Home / 346,817.20-520,225.80-324,007.60

Finding the Fourth Proportional to 346,817.20, 520,225.80 and 324,007.60

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Solution

The fourth proportional to 346,817.20, 520,225.80 and 324,007.60 is: 486,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,817.20 : 520,225.80 = 324,007.60 : x
  2. Step 2: Convert to fraction form
    346,817.20/520,225.80 = 324,007.60/x
  3. Step 3: Cross multiply
    346,817.20x = 520,225.80 × 324,007.60
  4. Step 4: Simplify right side
    346,817.20x = 168,557,112,916.08
  5. Step 5: Solve for x
    x = 168,557,112,916.08/346,817.20
  6. Step 6: Final answer
    x = 486,011.40

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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.