Home / 907,913.20-1,362,647.40-403,250.80

Finding the Fourth Proportional to 907,913.20, 1,362,647.40 and 403,250.80

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Solution

The fourth proportional to 907,913.20, 1,362,647.40 and 403,250.80 is: 605,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,913.20 : 1,362,647.40 = 403,250.80 : x
  2. Step 2: Convert to fraction form
    907,913.20/1,362,647.40 = 403,250.80/x
  3. Step 3: Cross multiply
    907,913.20x = 1,362,647.40 × 403,250.80
  4. Step 4: Simplify right side
    907,913.20x = 549,488,654,167.92
  5. Step 5: Solve for x
    x = 549,488,654,167.92/907,913.20
  6. Step 6: Final answer
    x = 605,221.57

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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.