Home / 691,369.60-1,034,980.80-608,425.60

Finding the Fourth Proportional to 691,369.60, 1,034,980.80 and 608,425.60

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Solution

The fourth proportional to 691,369.60, 1,034,980.80 and 608,425.60 is: 910,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,369.60 : 1,034,980.80 = 608,425.60 : x
  2. Step 2: Convert to fraction form
    691,369.60/1,034,980.80 = 608,425.60/x
  3. Step 3: Cross multiply
    691,369.60x = 1,034,980.80 × 608,425.60
  4. Step 4: Simplify right side
    691,369.60x = 629,708,814,228.48
  5. Step 5: Solve for x
    x = 629,708,814,228.48/691,369.60
  6. Step 6: Final answer
    x = 910,813.57

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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.