Home / 497,329.44-686,316.15-282,471.27

Finding the Fourth Proportional to 497,329.44, 686,316.15 and 282,471.27

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Solution

The fourth proportional to 497,329.44, 686,316.15 and 282,471.27 is: 389,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,329.44 : 686,316.15 = 282,471.27 : x
  2. Step 2: Convert to fraction form
    497,329.44/686,316.15 = 282,471.27/x
  3. Step 3: Cross multiply
    497,329.44x = 686,316.15 × 282,471.27
  4. Step 4: Simplify right side
    497,329.44x = 193,864,594,512.01
  5. Step 5: Solve for x
    x = 193,864,594,512.01/497,329.44
  6. Step 6: Final answer
    x = 389,811.22

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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.