Home / 744,272.16-1,116,107.73-288,623.49

Finding the Fourth Proportional to 744,272.16, 1,116,107.73 and 288,623.49

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Solution

The fourth proportional to 744,272.16, 1,116,107.73 and 288,623.49 is: 432,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,272.16 : 1,116,107.73 = 288,623.49 : x
  2. Step 2: Convert to fraction form
    744,272.16/1,116,107.73 = 288,623.49/x
  3. Step 3: Cross multiply
    744,272.16x = 1,116,107.73 × 288,623.49
  4. Step 4: Simplify right side
    744,272.16x = 322,134,908,248.58
  5. Step 5: Solve for x
    x = 322,134,908,248.58/744,272.16
  6. Step 6: Final answer
    x = 432,818.70

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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.