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Finding the Fourth Proportional to 482,801.60, 724,202.40 and 258,852.80

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Solution

The fourth proportional to 482,801.60, 724,202.40 and 258,852.80 is: 388,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,801.60 : 724,202.40 = 258,852.80 : x
  2. Step 2: Convert to fraction form
    482,801.60/724,202.40 = 258,852.80/x
  3. Step 3: Cross multiply
    482,801.60x = 724,202.40 × 258,852.80
  4. Step 4: Simplify right side
    482,801.60x = 187,461,819,006.72
  5. Step 5: Solve for x
    x = 187,461,819,006.72/482,801.60
  6. Step 6: Final answer
    x = 388,279.20

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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.