Home / 919,269.37-1,268,243.49-570,248.47

Finding the Fourth Proportional to 919,269.37, 1,268,243.49 and 570,248.47

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Solution

The fourth proportional to 919,269.37, 1,268,243.49 and 570,248.47 is: 786,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,269.37 : 1,268,243.49 = 570,248.47 : x
  2. Step 2: Convert to fraction form
    919,269.37/1,268,243.49 = 570,248.47/x
  3. Step 3: Cross multiply
    919,269.37x = 1,268,243.49 × 570,248.47
  4. Step 4: Simplify right side
    919,269.37x = 723,213,909,759.96
  5. Step 5: Solve for x
    x = 723,213,909,759.96/919,269.37
  6. Step 6: Final answer
    x = 786,726.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.