Home / 805,005.10-1,207,548.96-205,971.40

Finding the Fourth Proportional to 805,005.10, 1,207,548.96 and 205,971.40

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Solution

The fourth proportional to 805,005.10, 1,207,548.96 and 205,971.40 is: 308,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,005.10 : 1,207,548.96 = 205,971.40 : x
  2. Step 2: Convert to fraction form
    805,005.10/1,207,548.96 = 205,971.40/x
  3. Step 3: Cross multiply
    805,005.10x = 1,207,548.96 × 205,971.40
  4. Step 4: Simplify right side
    805,005.10x = 248,720,549,859.74
  5. Step 5: Solve for x
    x = 248,720,549,859.74/805,005.10
  6. Step 6: Final answer
    x = 308,967.67

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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.