Home / 803,422.25-1,205,447.08-353,827.16

Finding the Fourth Proportional to 803,422.25, 1,205,447.08 and 353,827.16

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Solution

The fourth proportional to 803,422.25, 1,205,447.08 and 353,827.16 is: 530,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,422.25 : 1,205,447.08 = 353,827.16 : x
  2. Step 2: Convert to fraction form
    803,422.25/1,205,447.08 = 353,827.16/x
  3. Step 3: Cross multiply
    803,422.25x = 1,205,447.08 × 353,827.16
  4. Step 4: Simplify right side
    803,422.25x = 426,519,916,846.69
  5. Step 5: Solve for x
    x = 426,519,916,846.69/803,422.25
  6. Step 6: Final answer
    x = 530,878.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.