Home / 670,061.58-1,005,215.49-220,808.94

Finding the Fourth Proportional to 670,061.58, 1,005,215.49 and 220,808.94

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Solution

The fourth proportional to 670,061.58, 1,005,215.49 and 220,808.94 is: 331,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,061.58 : 1,005,215.49 = 220,808.94 : x
  2. Step 2: Convert to fraction form
    670,061.58/1,005,215.49 = 220,808.94/x
  3. Step 3: Cross multiply
    670,061.58x = 1,005,215.49 × 220,808.94
  4. Step 4: Simplify right side
    670,061.58x = 221,960,566,818.48
  5. Step 5: Solve for x
    x = 221,960,566,818.48/670,061.58
  6. Step 6: Final answer
    x = 331,253.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.