Home / 689,543.37-951,683.04-403,007.49

Finding the Fourth Proportional to 689,543.37, 951,683.04 and 403,007.49

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Solution

The fourth proportional to 689,543.37, 951,683.04 and 403,007.49 is: 556,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,543.37 : 951,683.04 = 403,007.49 : x
  2. Step 2: Convert to fraction form
    689,543.37/951,683.04 = 403,007.49/x
  3. Step 3: Cross multiply
    689,543.37x = 951,683.04 × 403,007.49
  4. Step 4: Simplify right side
    689,543.37x = 383,535,393,225.97
  5. Step 5: Solve for x
    x = 383,535,393,225.97/689,543.37
  6. Step 6: Final answer
    x = 556,216.49

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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.