Home / 727,444.62-1,003,904.73-405,154.80

Finding the Fourth Proportional to 727,444.62, 1,003,904.73 and 405,154.80

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Solution

The fourth proportional to 727,444.62, 1,003,904.73 and 405,154.80 is: 559,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,444.62 : 1,003,904.73 = 405,154.80 : x
  2. Step 2: Convert to fraction form
    727,444.62/1,003,904.73 = 405,154.80/x
  3. Step 3: Cross multiply
    727,444.62x = 1,003,904.73 × 405,154.80
  4. Step 4: Simplify right side
    727,444.62x = 406,736,820,102.20
  5. Step 5: Solve for x
    x = 406,736,820,102.20/727,444.62
  6. Step 6: Final answer
    x = 559,130.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.