Home / 724,868.15-1,086,273.99-533,830.28

Finding the Fourth Proportional to 724,868.15, 1,086,273.99 and 533,830.28

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Solution

The fourth proportional to 724,868.15, 1,086,273.99 and 533,830.28 is: 799,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,868.15 : 1,086,273.99 = 533,830.28 : x
  2. Step 2: Convert to fraction form
    724,868.15/1,086,273.99 = 533,830.28/x
  3. Step 3: Cross multiply
    724,868.15x = 1,086,273.99 × 533,830.28
  4. Step 4: Simplify right side
    724,868.15x = 579,885,942,807.05
  5. Step 5: Solve for x
    x = 579,885,942,807.05/724,868.15
  6. Step 6: Final answer
    x = 799,988.17

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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.