Home / 483,320.40-724,980.60-304,861.20

Finding the Fourth Proportional to 483,320.40, 724,980.60 and 304,861.20

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Solution

The fourth proportional to 483,320.40, 724,980.60 and 304,861.20 is: 457,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.40 : 724,980.60 = 304,861.20 : x
  2. Step 2: Convert to fraction form
    483,320.40/724,980.60 = 304,861.20/x
  3. Step 3: Cross multiply
    483,320.40x = 724,980.60 × 304,861.20
  4. Step 4: Simplify right side
    483,320.40x = 221,018,455,692.72
  5. Step 5: Solve for x
    x = 221,018,455,692.72/483,320.40
  6. Step 6: Final answer
    x = 457,291.80

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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.