Home / 446,123.20-669,184.80-401,022.40

Finding the Fourth Proportional to 446,123.20, 669,184.80 and 401,022.40

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Solution

The fourth proportional to 446,123.20, 669,184.80 and 401,022.40 is: 601,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,123.20 : 669,184.80 = 401,022.40 : x
  2. Step 2: Convert to fraction form
    446,123.20/669,184.80 = 401,022.40/x
  3. Step 3: Cross multiply
    446,123.20x = 669,184.80 × 401,022.40
  4. Step 4: Simplify right side
    446,123.20x = 268,358,094,539.52
  5. Step 5: Solve for x
    x = 268,358,094,539.52/446,123.20
  6. Step 6: Final answer
    x = 601,533.60

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Similar ratio
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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.