Home / 909,757.31-1,255,445.01-501,859.49

Finding the Fourth Proportional to 909,757.31, 1,255,445.01 and 501,859.49

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Solution

The fourth proportional to 909,757.31, 1,255,445.01 and 501,859.49 is: 692,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,757.31 : 1,255,445.01 = 501,859.49 : x
  2. Step 2: Convert to fraction form
    909,757.31/1,255,445.01 = 501,859.49/x
  3. Step 3: Cross multiply
    909,757.31x = 1,255,445.01 × 501,859.49
  4. Step 4: Simplify right side
    909,757.31x = 630,056,986,164.42
  5. Step 5: Solve for x
    x = 630,056,986,164.42/909,757.31
  6. Step 6: Final answer
    x = 692,555.02

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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.