Home / 670,898.20-1,006,055.70-221,445.40

Finding the Fourth Proportional to 670,898.20, 1,006,055.70 and 221,445.40

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Solution

The fourth proportional to 670,898.20, 1,006,055.70 and 221,445.40 is: 332,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,898.20 : 1,006,055.70 = 221,445.40 : x
  2. Step 2: Convert to fraction form
    670,898.20/1,006,055.70 = 221,445.40/x
  3. Step 3: Cross multiply
    670,898.20x = 1,006,055.70 × 221,445.40
  4. Step 4: Simplify right side
    670,898.20x = 222,786,406,908.78
  5. Step 5: Solve for x
    x = 222,786,406,908.78/670,898.20
  6. Step 6: Final answer
    x = 332,071.85

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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.