Home / 724,010.19-1,085,960.60-297,429.76

Finding the Fourth Proportional to 724,010.19, 1,085,960.60 and 297,429.76

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Solution

The fourth proportional to 724,010.19, 1,085,960.60 and 297,429.76 is: 446,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,010.19 : 1,085,960.60 = 297,429.76 : x
  2. Step 2: Convert to fraction form
    724,010.19/1,085,960.60 = 297,429.76/x
  3. Step 3: Cross multiply
    724,010.19x = 1,085,960.60 × 297,429.76
  4. Step 4: Simplify right side
    724,010.19x = 322,997,000,627.46
  5. Step 5: Solve for x
    x = 322,997,000,627.46/724,010.19
  6. Step 6: Final answer
    x = 446,122.17

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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.