Home / 801,702.10-1,106,348.65-439,148.53

Finding the Fourth Proportional to 801,702.10, 1,106,348.65 and 439,148.53

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Solution

The fourth proportional to 801,702.10, 1,106,348.65 and 439,148.53 is: 606,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,702.10 : 1,106,348.65 = 439,148.53 : x
  2. Step 2: Convert to fraction form
    801,702.10/1,106,348.65 = 439,148.53/x
  3. Step 3: Cross multiply
    801,702.10x = 1,106,348.65 × 439,148.53
  4. Step 4: Simplify right side
    801,702.10x = 485,851,383,314.99
  5. Step 5: Solve for x
    x = 485,851,383,314.99/801,702.10
  6. Step 6: Final answer
    x = 606,024.84

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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.