Home / 766,730.20-1,150,095.30-346,826.20

Finding the Fourth Proportional to 766,730.20, 1,150,095.30 and 346,826.20

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Solution

The fourth proportional to 766,730.20, 1,150,095.30 and 346,826.20 is: 520,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,730.20 : 1,150,095.30 = 346,826.20 : x
  2. Step 2: Convert to fraction form
    766,730.20/1,150,095.30 = 346,826.20/x
  3. Step 3: Cross multiply
    766,730.20x = 1,150,095.30 × 346,826.20
  4. Step 4: Simplify right side
    766,730.20x = 398,883,182,536.86
  5. Step 5: Solve for x
    x = 398,883,182,536.86/766,730.20
  6. Step 6: Final answer
    x = 520,239.30

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Double scale
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Similar ratio
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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.