Home / 904,964.40-1,356,390.36-666,095.40

Finding the Fourth Proportional to 904,964.40, 1,356,390.36 and 666,095.40

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Solution

The fourth proportional to 904,964.40, 1,356,390.36 and 666,095.40 is: 998,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,964.40 : 1,356,390.36 = 666,095.40 : x
  2. Step 2: Convert to fraction form
    904,964.40/1,356,390.36 = 666,095.40/x
  3. Step 3: Cross multiply
    904,964.40x = 1,356,390.36 × 666,095.40
  4. Step 4: Simplify right side
    904,964.40x = 903,485,379,400.34
  5. Step 5: Solve for x
    x = 903,485,379,400.34/904,964.40
  6. Step 6: Final answer
    x = 998,365.66

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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.