Home / 648,029.16-971,931.72-292,960.68

Finding the Fourth Proportional to 648,029.16, 971,931.72 and 292,960.68

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Solution

The fourth proportional to 648,029.16, 971,931.72 and 292,960.68 is: 439,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,029.16 : 971,931.72 = 292,960.68 : x
  2. Step 2: Convert to fraction form
    648,029.16/971,931.72 = 292,960.68/x
  3. Step 3: Cross multiply
    648,029.16x = 971,931.72 × 292,960.68
  4. Step 4: Simplify right side
    648,029.16x = 284,737,777,604.77
  5. Step 5: Solve for x
    x = 284,737,777,604.77/648,029.16
  6. Step 6: Final answer
    x = 439,390.38

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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.