Home / 742,793.78-1,113,906.33-316,062.68

Finding the Fourth Proportional to 742,793.78, 1,113,906.33 and 316,062.68

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Solution

The fourth proportional to 742,793.78, 1,113,906.33 and 316,062.68 is: 473,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,793.78 : 1,113,906.33 = 316,062.68 : x
  2. Step 2: Convert to fraction form
    742,793.78/1,113,906.33 = 316,062.68/x
  3. Step 3: Cross multiply
    742,793.78x = 1,113,906.33 × 316,062.68
  4. Step 4: Simplify right side
    742,793.78x = 352,064,219,928.76
  5. Step 5: Solve for x
    x = 352,064,219,928.76/742,793.78
  6. Step 6: Final answer
    x = 473,973.03

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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.