Home / 346,411.20-519,616.80-327,165.60

Finding the Fourth Proportional to 346,411.20, 519,616.80 and 327,165.60

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Solution

The fourth proportional to 346,411.20, 519,616.80 and 327,165.60 is: 490,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,411.20 : 519,616.80 = 327,165.60 : x
  2. Step 2: Convert to fraction form
    346,411.20/519,616.80 = 327,165.60/x
  3. Step 3: Cross multiply
    346,411.20x = 519,616.80 × 327,165.60
  4. Step 4: Simplify right side
    346,411.20x = 170,000,742,142.08
  5. Step 5: Solve for x
    x = 170,000,742,142.08/346,411.20
  6. Step 6: Final answer
    x = 490,748.40

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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.