Home / 671,688.35-1,006,220.33-404,655.65

Finding the Fourth Proportional to 671,688.35, 1,006,220.33 and 404,655.65

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Solution

The fourth proportional to 671,688.35, 1,006,220.33 and 404,655.65 is: 606,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,688.35 : 1,006,220.33 = 404,655.65 : x
  2. Step 2: Convert to fraction form
    671,688.35/1,006,220.33 = 404,655.65/x
  3. Step 3: Cross multiply
    671,688.35x = 1,006,220.33 × 404,655.65
  4. Step 4: Simplify right side
    671,688.35x = 407,172,739,656.09
  5. Step 5: Solve for x
    x = 407,172,739,656.09/671,688.35
  6. Step 6: Final answer
    x = 606,192.95

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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.