Home / 872,886.60-1,307,627.82-492,657.24

Finding the Fourth Proportional to 872,886.60, 1,307,627.82 and 492,657.24

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Solution

The fourth proportional to 872,886.60, 1,307,627.82 and 492,657.24 is: 738,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,886.60 : 1,307,627.82 = 492,657.24 : x
  2. Step 2: Convert to fraction form
    872,886.60/1,307,627.82 = 492,657.24/x
  3. Step 3: Cross multiply
    872,886.60x = 1,307,627.82 × 492,657.24
  4. Step 4: Simplify right side
    872,886.60x = 644,212,312,748.42
  5. Step 5: Solve for x
    x = 644,212,312,748.42/872,886.60
  6. Step 6: Final answer
    x = 738,025.21

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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.