Home / 872,269.35-1,308,231.56-829,013.08

Finding the Fourth Proportional to 872,269.35, 1,308,231.56 and 829,013.08

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Solution

The fourth proportional to 872,269.35, 1,308,231.56 and 829,013.08 is: 1,243,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,269.35 : 1,308,231.56 = 829,013.08 : x
  2. Step 2: Convert to fraction form
    872,269.35/1,308,231.56 = 829,013.08/x
  3. Step 3: Cross multiply
    872,269.35x = 1,308,231.56 × 829,013.08
  4. Step 4: Simplify right side
    872,269.35x = 1,084,541,064,222.58
  5. Step 5: Solve for x
    x = 1,084,541,064,222.58/872,269.35
  6. Step 6: Final answer
    x = 1,243,355.70

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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.