Home / 872,475.34-1,308,460.11-339,877.66

Finding the Fourth Proportional to 872,475.34, 1,308,460.11 and 339,877.66

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Solution

The fourth proportional to 872,475.34, 1,308,460.11 and 339,877.66 is: 509,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,475.34 : 1,308,460.11 = 339,877.66 : x
  2. Step 2: Convert to fraction form
    872,475.34/1,308,460.11 = 339,877.66/x
  3. Step 3: Cross multiply
    872,475.34x = 1,308,460.11 × 339,877.66
  4. Step 4: Simplify right side
    872,475.34x = 444,716,360,390.14
  5. Step 5: Solve for x
    x = 444,716,360,390.14/872,475.34
  6. Step 6: Final answer
    x = 509,717.97

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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.