Home / 648,010.20-971,237.70-332,304.60

Finding the Fourth Proportional to 648,010.20, 971,237.70 and 332,304.60

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Solution

The fourth proportional to 648,010.20, 971,237.70 and 332,304.60 is: 498,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,010.20 : 971,237.70 = 332,304.60 : x
  2. Step 2: Convert to fraction form
    648,010.20/971,237.70 = 332,304.60/x
  3. Step 3: Cross multiply
    648,010.20x = 971,237.70 × 332,304.60
  4. Step 4: Simplify right side
    648,010.20x = 322,746,755,403.42
  5. Step 5: Solve for x
    x = 322,746,755,403.42/648,010.20
  6. Step 6: Final answer
    x = 498,058.14

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1.5x scale

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.