Home / 738,526.60-1,019,166.46-398,994.85

Finding the Fourth Proportional to 738,526.60, 1,019,166.46 and 398,994.85

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Solution

The fourth proportional to 738,526.60, 1,019,166.46 and 398,994.85 is: 550,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,526.60 : 1,019,166.46 = 398,994.85 : x
  2. Step 2: Convert to fraction form
    738,526.60/1,019,166.46 = 398,994.85/x
  3. Step 3: Cross multiply
    738,526.60x = 1,019,166.46 × 398,994.85
  4. Step 4: Simplify right side
    738,526.60x = 406,642,168,832.73
  5. Step 5: Solve for x
    x = 406,642,168,832.73/738,526.60
  6. Step 6: Final answer
    x = 550,612.76

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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.