Home / 704,853.68-1,057,271.35-172,379.32

Finding the Fourth Proportional to 704,853.68, 1,057,271.35 and 172,379.32

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Solution

The fourth proportional to 704,853.68, 1,057,271.35 and 172,379.32 is: 258,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,853.68 : 1,057,271.35 = 172,379.32 : x
  2. Step 2: Convert to fraction form
    704,853.68/1,057,271.35 = 172,379.32/x
  3. Step 3: Cross multiply
    704,853.68x = 1,057,271.35 × 172,379.32
  4. Step 4: Simplify right side
    704,853.68x = 182,251,716,368.48
  5. Step 5: Solve for x
    x = 182,251,716,368.48/704,853.68
  6. Step 6: Final answer
    x = 258,566.74

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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.