Home / 744,772.91-1,117,161.69-205,036.40

Finding the Fourth Proportional to 744,772.91, 1,117,161.69 and 205,036.40

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Solution

The fourth proportional to 744,772.91, 1,117,161.69 and 205,036.40 is: 307,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,772.91 : 1,117,161.69 = 205,036.40 : x
  2. Step 2: Convert to fraction form
    744,772.91/1,117,161.69 = 205,036.40/x
  3. Step 3: Cross multiply
    744,772.91x = 1,117,161.69 × 205,036.40
  4. Step 4: Simplify right side
    744,772.91x = 229,058,805,549.71
  5. Step 5: Solve for x
    x = 229,058,805,549.71/744,772.91
  6. Step 6: Final answer
    x = 307,555.23

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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.