Home / 803,146.64-1,108,322.09-458,960.68

Finding the Fourth Proportional to 803,146.64, 1,108,322.09 and 458,960.68

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Solution

The fourth proportional to 803,146.64, 1,108,322.09 and 458,960.68 is: 633,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,146.64 : 1,108,322.09 = 458,960.68 : x
  2. Step 2: Convert to fraction form
    803,146.64/1,108,322.09 = 458,960.68/x
  3. Step 3: Cross multiply
    803,146.64x = 1,108,322.09 × 458,960.68
  4. Step 4: Simplify right side
    803,146.64x = 508,676,260,897.12
  5. Step 5: Solve for x
    x = 508,676,260,897.12/803,146.64
  6. Step 6: Final answer
    x = 633,354.15

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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.