Home / 727,055.21-1,003,316.59-404,765.34

Finding the Fourth Proportional to 727,055.21, 1,003,316.59 and 404,765.34

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Solution

The fourth proportional to 727,055.21, 1,003,316.59 and 404,765.34 is: 558,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,055.21 : 1,003,316.59 = 404,765.34 : x
  2. Step 2: Convert to fraction form
    727,055.21/1,003,316.59 = 404,765.34/x
  3. Step 3: Cross multiply
    727,055.21x = 1,003,316.59 × 404,765.34
  4. Step 4: Simplify right side
    727,055.21x = 406,107,780,678.99
  5. Step 5: Solve for x
    x = 406,107,780,678.99/727,055.21
  6. Step 6: Final answer
    x = 558,565.26

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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.