Home / 704,790.72-1,057,176.63-172,316.34

Finding the Fourth Proportional to 704,790.72, 1,057,176.63 and 172,316.34

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Solution

The fourth proportional to 704,790.72, 1,057,176.63 and 172,316.34 is: 258,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,790.72 : 1,057,176.63 = 172,316.34 : x
  2. Step 2: Convert to fraction form
    704,790.72/1,057,176.63 = 172,316.34/x
  3. Step 3: Cross multiply
    704,790.72x = 1,057,176.63 × 172,316.34
  4. Step 4: Simplify right side
    704,790.72x = 182,168,807,615.13
  5. Step 5: Solve for x
    x = 182,168,807,615.13/704,790.72
  6. Step 6: Final answer
    x = 258,472.20

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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.