Home / 742,090.72-1,113,182.82-209,652.76

Finding the Fourth Proportional to 742,090.72, 1,113,182.82 and 209,652.76

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Solution

The fourth proportional to 742,090.72, 1,113,182.82 and 209,652.76 is: 314,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,090.72 : 1,113,182.82 = 209,652.76 : x
  2. Step 2: Convert to fraction form
    742,090.72/1,113,182.82 = 209,652.76/x
  3. Step 3: Cross multiply
    742,090.72x = 1,113,182.82 × 209,652.76
  4. Step 4: Simplify right side
    742,090.72x = 233,381,850,597.58
  5. Step 5: Solve for x
    x = 233,381,850,597.58/742,090.72
  6. Step 6: Final answer
    x = 314,492.34

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1.5x scale

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.