Home / 671,307.11-1,007,053.46-215,911.23

Finding the Fourth Proportional to 671,307.11, 1,007,053.46 and 215,911.23

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Solution

The fourth proportional to 671,307.11, 1,007,053.46 and 215,911.23 is: 323,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,307.11 : 1,007,053.46 = 215,911.23 : x
  2. Step 2: Convert to fraction form
    671,307.11/1,007,053.46 = 215,911.23/x
  3. Step 3: Cross multiply
    671,307.11x = 1,007,053.46 × 215,911.23
  4. Step 4: Simplify right side
    671,307.11x = 217,434,151,764.13
  5. Step 5: Solve for x
    x = 217,434,151,764.13/671,307.11
  6. Step 6: Final answer
    x = 323,896.69

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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.