Home / 649,935.36-897,034.78-435,449.40

Finding the Fourth Proportional to 649,935.36, 897,034.78 and 435,449.40

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Solution

The fourth proportional to 649,935.36, 897,034.78 and 435,449.40 is: 601,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,935.36 : 897,034.78 = 435,449.40 : x
  2. Step 2: Convert to fraction form
    649,935.36/897,034.78 = 435,449.40/x
  3. Step 3: Cross multiply
    649,935.36x = 897,034.78 × 435,449.40
  4. Step 4: Simplify right side
    649,935.36x = 390,613,256,730.13
  5. Step 5: Solve for x
    x = 390,613,256,730.13/649,935.36
  6. Step 6: Final answer
    x = 601,003.24

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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.