Home / 689,656.34-1,034,960.22-240,380.93

Finding the Fourth Proportional to 689,656.34, 1,034,960.22 and 240,380.93

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Solution

The fourth proportional to 689,656.34, 1,034,960.22 and 240,380.93 is: 360,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,656.34 : 1,034,960.22 = 240,380.93 : x
  2. Step 2: Convert to fraction form
    689,656.34/1,034,960.22 = 240,380.93/x
  3. Step 3: Cross multiply
    689,656.34x = 1,034,960.22 × 240,380.93
  4. Step 4: Simplify right side
    689,656.34x = 248,784,702,784.01
  5. Step 5: Solve for x
    x = 248,784,702,784.01/689,656.34
  6. Step 6: Final answer
    x = 360,737.21

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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.