Home / 904,852.79-1,356,864.81-540,279.90

Finding the Fourth Proportional to 904,852.79, 1,356,864.81 and 540,279.90

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Solution

The fourth proportional to 904,852.79, 1,356,864.81 and 540,279.90 is: 810,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,852.79 : 1,356,864.81 = 540,279.90 : x
  2. Step 2: Convert to fraction form
    904,852.79/1,356,864.81 = 540,279.90/x
  3. Step 3: Cross multiply
    904,852.79x = 1,356,864.81 × 540,279.90
  4. Step 4: Simplify right side
    904,852.79x = 733,086,785,211.02
  5. Step 5: Solve for x
    x = 733,086,785,211.02/904,852.79
  6. Step 6: Final answer
    x = 810,172.43

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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.