Home / 987,510.62-1,362,875.49-557,818.43

Finding the Fourth Proportional to 987,510.62, 1,362,875.49 and 557,818.43

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Solution

The fourth proportional to 987,510.62, 1,362,875.49 and 557,818.43 is: 769,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,510.62 : 1,362,875.49 = 557,818.43 : x
  2. Step 2: Convert to fraction form
    987,510.62/1,362,875.49 = 557,818.43/x
  3. Step 3: Cross multiply
    987,510.62x = 1,362,875.49 × 557,818.43
  4. Step 4: Simplify right side
    987,510.62x = 760,237,059,302.90
  5. Step 5: Solve for x
    x = 760,237,059,302.90/987,510.62
  6. Step 6: Final answer
    x = 769,852.04

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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.