Home / 669,888.60-1,004,832.90-457,312.20

Finding the Fourth Proportional to 669,888.60, 1,004,832.90 and 457,312.20

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Solution

The fourth proportional to 669,888.60, 1,004,832.90 and 457,312.20 is: 685,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,888.60 : 1,004,832.90 = 457,312.20 : x
  2. Step 2: Convert to fraction form
    669,888.60/1,004,832.90 = 457,312.20/x
  3. Step 3: Cross multiply
    669,888.60x = 1,004,832.90 × 457,312.20
  4. Step 4: Simplify right side
    669,888.60x = 459,522,344,131.38
  5. Step 5: Solve for x
    x = 459,522,344,131.38/669,888.60
  6. Step 6: Final answer
    x = 685,968.30

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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.