Home / 879,254.31-1,213,370.94-476,846.31

Finding the Fourth Proportional to 879,254.31, 1,213,370.94 and 476,846.31

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Solution

The fourth proportional to 879,254.31, 1,213,370.94 and 476,846.31 is: 658,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,254.31 : 1,213,370.94 = 476,846.31 : x
  2. Step 2: Convert to fraction form
    879,254.31/1,213,370.94 = 476,846.31/x
  3. Step 3: Cross multiply
    879,254.31x = 1,213,370.94 × 476,846.31
  4. Step 4: Simplify right side
    879,254.31x = 578,591,455,400.23
  5. Step 5: Solve for x
    x = 578,591,455,400.23/879,254.31
  6. Step 6: Final answer
    x = 658,047.90

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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.