Home / 821,663.60-1,233,661.80-506,735.60

Finding the Fourth Proportional to 821,663.60, 1,233,661.80 and 506,735.60

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Solution

The fourth proportional to 821,663.60, 1,233,661.80 and 506,735.60 is: 760,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,663.60 : 1,233,661.80 = 506,735.60 : x
  2. Step 2: Convert to fraction form
    821,663.60/1,233,661.80 = 506,735.60/x
  3. Step 3: Cross multiply
    821,663.60x = 1,233,661.80 × 506,735.60
  4. Step 4: Simplify right side
    821,663.60x = 625,140,352,420.08
  5. Step 5: Solve for x
    x = 625,140,352,420.08/821,663.60
  6. Step 6: Final answer
    x = 760,822.74

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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.