Home / 744,386.96-1,117,039.71-344,953.28

Finding the Fourth Proportional to 744,386.96, 1,117,039.71 and 344,953.28

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Solution

The fourth proportional to 744,386.96, 1,117,039.71 and 344,953.28 is: 517,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,386.96 : 1,117,039.71 = 344,953.28 : x
  2. Step 2: Convert to fraction form
    744,386.96/1,117,039.71 = 344,953.28/x
  3. Step 3: Cross multiply
    744,386.96x = 1,117,039.71 × 344,953.28
  4. Step 4: Simplify right side
    744,386.96x = 385,326,515,940.92
  5. Step 5: Solve for x
    x = 385,326,515,940.92/744,386.96
  6. Step 6: Final answer
    x = 517,642.75

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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.