Home / 648,415.92-972,603.11-293,429.94

Finding the Fourth Proportional to 648,415.92, 972,603.11 and 293,429.94

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Solution

The fourth proportional to 648,415.92, 972,603.11 and 293,429.94 is: 440,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,415.92 : 972,603.11 = 293,429.94 : x
  2. Step 2: Convert to fraction form
    648,415.92/972,603.11 = 293,429.94/x
  3. Step 3: Cross multiply
    648,415.92x = 972,603.11 × 293,429.94
  4. Step 4: Simplify right side
    648,415.92x = 285,390,872,211.11
  5. Step 5: Solve for x
    x = 285,390,872,211.11/648,415.92
  6. Step 6: Final answer
    x = 440,135.51

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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.