Home / 910,360.88-1,365,104.80-430,189.02

Finding the Fourth Proportional to 910,360.88, 1,365,104.80 and 430,189.02

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Solution

The fourth proportional to 910,360.88, 1,365,104.80 and 430,189.02 is: 645,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,360.88 : 1,365,104.80 = 430,189.02 : x
  2. Step 2: Convert to fraction form
    910,360.88/1,365,104.80 = 430,189.02/x
  3. Step 3: Cross multiply
    910,360.88x = 1,365,104.80 × 430,189.02
  4. Step 4: Simplify right side
    910,360.88x = 587,253,096,109.30
  5. Step 5: Solve for x
    x = 587,253,096,109.30/910,360.88
  6. Step 6: Final answer
    x = 645,077.25

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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.