Home / 476,685.42-657,871.56-272,695.83

Finding the Fourth Proportional to 476,685.42, 657,871.56 and 272,695.83

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Solution

The fourth proportional to 476,685.42, 657,871.56 and 272,695.83 is: 376,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,685.42 : 657,871.56 = 272,695.83 : x
  2. Step 2: Convert to fraction form
    476,685.42/657,871.56 = 272,695.83/x
  3. Step 3: Cross multiply
    476,685.42x = 657,871.56 × 272,695.83
  4. Step 4: Simplify right side
    476,685.42x = 179,398,831,087.60
  5. Step 5: Solve for x
    x = 179,398,831,087.60/476,685.42
  6. Step 6: Final answer
    x = 376,346.38

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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.