Home / 856,706.32-1,182,261.77-474,739.48

Finding the Fourth Proportional to 856,706.32, 1,182,261.77 and 474,739.48

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Solution

The fourth proportional to 856,706.32, 1,182,261.77 and 474,739.48 is: 655,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,706.32 : 1,182,261.77 = 474,739.48 : x
  2. Step 2: Convert to fraction form
    856,706.32/1,182,261.77 = 474,739.48/x
  3. Step 3: Cross multiply
    856,706.32x = 1,182,261.77 × 474,739.48
  4. Step 4: Simplify right side
    856,706.32x = 561,266,335,539.98
  5. Step 5: Solve for x
    x = 561,266,335,539.98/856,706.32
  6. Step 6: Final answer
    x = 655,144.39

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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.