Home / 634,089.32-875,041.38-347,621.48

Finding the Fourth Proportional to 634,089.32, 875,041.38 and 347,621.48

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Solution

The fourth proportional to 634,089.32, 875,041.38 and 347,621.48 is: 479,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,089.32 : 875,041.38 = 347,621.48 : x
  2. Step 2: Convert to fraction form
    634,089.32/875,041.38 = 347,621.48/x
  3. Step 3: Cross multiply
    634,089.32x = 875,041.38 × 347,621.48
  4. Step 4: Simplify right side
    634,089.32x = 304,183,179,576.84
  5. Step 5: Solve for x
    x = 304,183,179,576.84/634,089.32
  6. Step 6: Final answer
    x = 479,716.61

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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.