Home / 683,120.90-1,025,337.45-346,541.60

Finding the Fourth Proportional to 683,120.90, 1,025,337.45 and 346,541.60

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Solution

The fourth proportional to 683,120.90, 1,025,337.45 and 346,541.60 is: 520,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,120.90 : 1,025,337.45 = 346,541.60 : x
  2. Step 2: Convert to fraction form
    683,120.90/1,025,337.45 = 346,541.60/x
  3. Step 3: Cross multiply
    683,120.90x = 1,025,337.45 × 346,541.60
  4. Step 4: Simplify right side
    683,120.90x = 355,322,080,462.92
  5. Step 5: Solve for x
    x = 355,322,080,462.92/683,120.90
  6. Step 6: Final answer
    x = 520,145.23

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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.