Home / 558,292.47-837,783.17-258,717.21

Finding the Fourth Proportional to 558,292.47, 837,783.17 and 258,717.21

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Solution

The fourth proportional to 558,292.47, 837,783.17 and 258,717.21 is: 388,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,292.47 : 837,783.17 = 258,717.21 : x
  2. Step 2: Convert to fraction form
    558,292.47/837,783.17 = 258,717.21/x
  3. Step 3: Cross multiply
    558,292.47x = 837,783.17 × 258,717.21
  4. Step 4: Simplify right side
    558,292.47x = 216,748,923,033.77
  5. Step 5: Solve for x
    x = 216,748,923,033.77/558,292.47
  6. Step 6: Final answer
    x = 388,235.44

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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.