Home / 900,790.14-1,351,200.87-331,878.40

Finding the Fourth Proportional to 900,790.14, 1,351,200.87 and 331,878.40

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Solution

The fourth proportional to 900,790.14, 1,351,200.87 and 331,878.40 is: 497,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,790.14 : 1,351,200.87 = 331,878.40 : x
  2. Step 2: Convert to fraction form
    900,790.14/1,351,200.87 = 331,878.40/x
  3. Step 3: Cross multiply
    900,790.14x = 1,351,200.87 × 331,878.40
  4. Step 4: Simplify right side
    900,790.14x = 448,434,387,036.71
  5. Step 5: Solve for x
    x = 448,434,387,036.71/900,790.14
  6. Step 6: Final answer
    x = 497,823.38

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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.