Home / 802,641.48-1,202,905.98-447,822.60

Finding the Fourth Proportional to 802,641.48, 1,202,905.98 and 447,822.60

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Solution

The fourth proportional to 802,641.48, 1,202,905.98 and 447,822.60 is: 671,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,641.48 : 1,202,905.98 = 447,822.60 : x
  2. Step 2: Convert to fraction form
    802,641.48/1,202,905.98 = 447,822.60/x
  3. Step 3: Cross multiply
    802,641.48x = 1,202,905.98 × 447,822.60
  4. Step 4: Simplify right side
    802,641.48x = 538,688,483,519.15
  5. Step 5: Solve for x
    x = 538,688,483,519.15/802,641.48
  6. Step 6: Final answer
    x = 671,144.59

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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.