Home / 989,818.75-1,365,953.52-537,109.75

Finding the Fourth Proportional to 989,818.75, 1,365,953.52 and 537,109.75

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Solution

The fourth proportional to 989,818.75, 1,365,953.52 and 537,109.75 is: 741,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,818.75 : 1,365,953.52 = 537,109.75 : x
  2. Step 2: Convert to fraction form
    989,818.75/1,365,953.52 = 537,109.75/x
  3. Step 3: Cross multiply
    989,818.75x = 1,365,953.52 × 537,109.75
  4. Step 4: Simplify right side
    989,818.75x = 733,666,953,638.82
  5. Step 5: Solve for x
    x = 733,666,953,638.82/989,818.75
  6. Step 6: Final answer
    x = 741,213.43

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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.