Home / 497,117.60-686,039.46-282,250.52

Finding the Fourth Proportional to 497,117.60, 686,039.46 and 282,250.52

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Solution

The fourth proportional to 497,117.60, 686,039.46 and 282,250.52 is: 389,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,117.60 : 686,039.46 = 282,250.52 : x
  2. Step 2: Convert to fraction form
    497,117.60/686,039.46 = 282,250.52/x
  3. Step 3: Cross multiply
    497,117.60x = 686,039.46 × 282,250.52
  4. Step 4: Simplify right side
    497,117.60x = 193,634,994,325.52
  5. Step 5: Solve for x
    x = 193,634,994,325.52/497,117.60
  6. Step 6: Final answer
    x = 389,515.47

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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.