Home / 813,503.04-1,220,176.80-497,797.44

Finding the Fourth Proportional to 813,503.04, 1,220,176.80 and 497,797.44

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Solution

The fourth proportional to 813,503.04, 1,220,176.80 and 497,797.44 is: 746,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,503.04 : 1,220,176.80 = 497,797.44 : x
  2. Step 2: Convert to fraction form
    813,503.04/1,220,176.80 = 497,797.44/x
  3. Step 3: Cross multiply
    813,503.04x = 1,220,176.80 × 497,797.44
  4. Step 4: Simplify right side
    813,503.04x = 607,400,887,387.39
  5. Step 5: Solve for x
    x = 607,400,887,387.39/813,503.04
  6. Step 6: Final answer
    x = 746,648.58

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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.