Home / 390,614.72-584,966.56-352,749.52

Finding the Fourth Proportional to 390,614.72, 584,966.56 and 352,749.52

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Solution

The fourth proportional to 390,614.72, 584,966.56 and 352,749.52 is: 528,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,614.72 : 584,966.56 = 352,749.52 : x
  2. Step 2: Convert to fraction form
    390,614.72/584,966.56 = 352,749.52/x
  3. Step 3: Cross multiply
    390,614.72x = 584,966.56 × 352,749.52
  4. Step 4: Simplify right side
    390,614.72x = 206,346,673,256.05
  5. Step 5: Solve for x
    x = 206,346,673,256.05/390,614.72
  6. Step 6: Final answer
    x = 528,261.39

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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.