Home / 803,395.69-1,108,720.70-481,044.18

Finding the Fourth Proportional to 803,395.69, 1,108,720.70 and 481,044.18

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Solution

The fourth proportional to 803,395.69, 1,108,720.70 and 481,044.18 is: 663,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,395.69 : 1,108,720.70 = 481,044.18 : x
  2. Step 2: Convert to fraction form
    803,395.69/1,108,720.70 = 481,044.18/x
  3. Step 3: Cross multiply
    803,395.69x = 1,108,720.70 × 481,044.18
  4. Step 4: Simplify right side
    803,395.69x = 533,343,639,980.53
  5. Step 5: Solve for x
    x = 533,343,639,980.53/803,395.69
  6. Step 6: Final answer
    x = 663,861.71

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Double scale
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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.