Home / 803,519.19-1,108,683.27-463,790.61

Finding the Fourth Proportional to 803,519.19, 1,108,683.27 and 463,790.61

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Solution

The fourth proportional to 803,519.19, 1,108,683.27 and 463,790.61 is: 639,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,519.19 : 1,108,683.27 = 463,790.61 : x
  2. Step 2: Convert to fraction form
    803,519.19/1,108,683.27 = 463,790.61/x
  3. Step 3: Cross multiply
    803,519.19x = 1,108,683.27 × 463,790.61
  4. Step 4: Simplify right side
    803,519.19x = 514,196,887,771.14
  5. Step 5: Solve for x
    x = 514,196,887,771.14/803,519.19
  6. Step 6: Final answer
    x = 639,931.06

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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.