Home / 906,374.88-1,250,811.72-498,494.52

Finding the Fourth Proportional to 906,374.88, 1,250,811.72 and 498,494.52

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Solution

The fourth proportional to 906,374.88, 1,250,811.72 and 498,494.52 is: 687,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,374.88 : 1,250,811.72 = 498,494.52 : x
  2. Step 2: Convert to fraction form
    906,374.88/1,250,811.72 = 498,494.52/x
  3. Step 3: Cross multiply
    906,374.88x = 1,250,811.72 × 498,494.52
  4. Step 4: Simplify right side
    906,374.88x = 623,522,787,971.77
  5. Step 5: Solve for x
    x = 623,522,787,971.77/906,374.88
  6. Step 6: Final answer
    x = 687,930.35

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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.