Home / 803,284.67-1,108,523.71-463,745.63

Finding the Fourth Proportional to 803,284.67, 1,108,523.71 and 463,745.63

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Solution

The fourth proportional to 803,284.67, 1,108,523.71 and 463,745.63 is: 639,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,284.67 : 1,108,523.71 = 463,745.63 : x
  2. Step 2: Convert to fraction form
    803,284.67/1,108,523.71 = 463,745.63/x
  3. Step 3: Cross multiply
    803,284.67x = 1,108,523.71 × 463,745.63
  4. Step 4: Simplify right side
    803,284.67x = 514,073,027,875.83
  5. Step 5: Solve for x
    x = 514,073,027,875.83/803,284.67
  6. Step 6: Final answer
    x = 639,963.70

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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.