Home / 907,729.74-1,360,964.04-402,015.12

Finding the Fourth Proportional to 907,729.74, 1,360,964.04 and 402,015.12

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Solution

The fourth proportional to 907,729.74, 1,360,964.04 and 402,015.12 is: 602,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,729.74 : 1,360,964.04 = 402,015.12 : x
  2. Step 2: Convert to fraction form
    907,729.74/1,360,964.04 = 402,015.12/x
  3. Step 3: Cross multiply
    907,729.74x = 1,360,964.04 × 402,015.12
  4. Step 4: Simplify right side
    907,729.74x = 547,128,121,856.29
  5. Step 5: Solve for x
    x = 547,128,121,856.29/907,729.74
  6. Step 6: Final answer
    x = 602,743.41

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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.