Home / 924,367.80-1,386,533.14-418,834.55

Finding the Fourth Proportional to 924,367.80, 1,386,533.14 and 418,834.55

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Solution

The fourth proportional to 924,367.80, 1,386,533.14 and 418,834.55 is: 628,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,367.80 : 1,386,533.14 = 418,834.55 : x
  2. Step 2: Convert to fraction form
    924,367.80/1,386,533.14 = 418,834.55/x
  3. Step 3: Cross multiply
    924,367.80x = 1,386,533.14 × 418,834.55
  4. Step 4: Simplify right side
    924,367.80x = 580,727,983,751.99
  5. Step 5: Solve for x
    x = 580,727,983,751.99/924,367.80
  6. Step 6: Final answer
    x = 628,243.42

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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.