Home / 803,079.72-1,108,246.91-497,095.11

Finding the Fourth Proportional to 803,079.72, 1,108,246.91 and 497,095.11

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Solution

The fourth proportional to 803,079.72, 1,108,246.91 and 497,095.11 is: 685,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,079.72 : 1,108,246.91 = 497,095.11 : x
  2. Step 2: Convert to fraction form
    803,079.72/1,108,246.91 = 497,095.11/x
  3. Step 3: Cross multiply
    803,079.72x = 1,108,246.91 × 497,095.11
  4. Step 4: Simplify right side
    803,079.72x = 550,904,117,148.14
  5. Step 5: Solve for x
    x = 550,904,117,148.14/803,079.72
  6. Step 6: Final answer
    x = 685,989.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.