Home / 879,253.31-1,213,369.56-476,845.31

Finding the Fourth Proportional to 879,253.31, 1,213,369.56 and 476,845.31

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Solution

The fourth proportional to 879,253.31, 1,213,369.56 and 476,845.31 is: 658,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,253.31 : 1,213,369.56 = 476,845.31 : x
  2. Step 2: Convert to fraction form
    879,253.31/1,213,369.56 = 476,845.31/x
  3. Step 3: Cross multiply
    879,253.31x = 1,213,369.56 × 476,845.31
  4. Step 4: Simplify right side
    879,253.31x = 578,589,577,915.92
  5. Step 5: Solve for x
    x = 578,589,577,915.92/879,253.31
  6. Step 6: Final answer
    x = 658,046.52

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1.5x scale

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.