Home / 661,272.39-912,574.76-403,164.27

Finding the Fourth Proportional to 661,272.39, 912,574.76 and 403,164.27

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Solution

The fourth proportional to 661,272.39, 912,574.76 and 403,164.27 is: 556,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,272.39 : 912,574.76 = 403,164.27 : x
  2. Step 2: Convert to fraction form
    661,272.39/912,574.76 = 403,164.27/x
  3. Step 3: Cross multiply
    661,272.39x = 912,574.76 × 403,164.27
  4. Step 4: Simplify right side
    661,272.39x = 367,917,534,920.00
  5. Step 5: Solve for x
    x = 367,917,534,920.00/661,272.39
  6. Step 6: Final answer
    x = 556,378.19

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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.