Home / 909,925.76-1,255,694.40-507,517.44

Finding the Fourth Proportional to 909,925.76, 1,255,694.40 and 507,517.44

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Solution

The fourth proportional to 909,925.76, 1,255,694.40 and 507,517.44 is: 700,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,925.76 : 1,255,694.40 = 507,517.44 : x
  2. Step 2: Convert to fraction form
    909,925.76/1,255,694.40 = 507,517.44/x
  3. Step 3: Cross multiply
    909,925.76x = 1,255,694.40 × 507,517.44
  4. Step 4: Simplify right side
    909,925.76x = 637,286,807,310.34
  5. Step 5: Solve for x
    x = 637,286,807,310.34/909,925.76
  6. Step 6: Final answer
    x = 700,372.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.