Home / 637,406.58-879,604.02-350,928.84

Finding the Fourth Proportional to 637,406.58, 879,604.02 and 350,928.84

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Solution

The fourth proportional to 637,406.58, 879,604.02 and 350,928.84 is: 484,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,406.58 : 879,604.02 = 350,928.84 : x
  2. Step 2: Convert to fraction form
    637,406.58/879,604.02 = 350,928.84/x
  3. Step 3: Cross multiply
    637,406.58x = 879,604.02 × 350,928.84
  4. Step 4: Simplify right side
    637,406.58x = 308,678,418,397.94
  5. Step 5: Solve for x
    x = 308,678,418,397.94/637,406.58
  6. Step 6: Final answer
    x = 484,272.41

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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.