Home / 949,689.20-1,424,528.36-239,714.32

Finding the Fourth Proportional to 949,689.20, 1,424,528.36 and 239,714.32

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Solution

The fourth proportional to 949,689.20, 1,424,528.36 and 239,714.32 is: 359,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,689.20 : 1,424,528.36 = 239,714.32 : x
  2. Step 2: Convert to fraction form
    949,689.20/1,424,528.36 = 239,714.32/x
  3. Step 3: Cross multiply
    949,689.20x = 1,424,528.36 × 239,714.32
  4. Step 4: Simplify right side
    949,689.20x = 341,479,847,138.12
  5. Step 5: Solve for x
    x = 341,479,847,138.12/949,689.20
  6. Step 6: Final answer
    x = 359,570.11

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Double scale
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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.