Home / 910,575.76-1,365,734.28-500,372.32

Finding the Fourth Proportional to 910,575.76, 1,365,734.28 and 500,372.32

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Solution

The fourth proportional to 910,575.76, 1,365,734.28 and 500,372.32 is: 750,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,575.76 : 1,365,734.28 = 500,372.32 : x
  2. Step 2: Convert to fraction form
    910,575.76/1,365,734.28 = 500,372.32/x
  3. Step 3: Cross multiply
    910,575.76x = 1,365,734.28 × 500,372.32
  4. Step 4: Simplify right side
    910,575.76x = 683,375,630,187.13
  5. Step 5: Solve for x
    x = 683,375,630,187.13/910,575.76
  6. Step 6: Final answer
    x = 750,487.40

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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.