Home / 801,702.90-1,106,350.47-439,132.82

Finding the Fourth Proportional to 801,702.90, 1,106,350.47 and 439,132.82

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Solution

The fourth proportional to 801,702.90, 1,106,350.47 and 439,132.82 is: 606,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,702.90 : 1,106,350.47 = 439,132.82 : x
  2. Step 2: Convert to fraction form
    801,702.90/1,106,350.47 = 439,132.82/x
  3. Step 3: Cross multiply
    801,702.90x = 1,106,350.47 × 439,132.82
  4. Step 4: Simplify right side
    801,702.90x = 485,834,796,267.67
  5. Step 5: Solve for x
    x = 485,834,796,267.67/801,702.90
  6. Step 6: Final answer
    x = 606,003.54

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1.5x scale

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.