Home / 758,207.60-1,137,311.40-403,913.60

Finding the Fourth Proportional to 758,207.60, 1,137,311.40 and 403,913.60

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Solution

The fourth proportional to 758,207.60, 1,137,311.40 and 403,913.60 is: 605,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,207.60 : 1,137,311.40 = 403,913.60 : x
  2. Step 2: Convert to fraction form
    758,207.60/1,137,311.40 = 403,913.60/x
  3. Step 3: Cross multiply
    758,207.60x = 1,137,311.40 × 403,913.60
  4. Step 4: Simplify right side
    758,207.60x = 459,375,541,895.04
  5. Step 5: Solve for x
    x = 459,375,541,895.04/758,207.60
  6. Step 6: Final answer
    x = 605,870.40

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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.