Home / 669,911.28-1,004,302.06-290,546.29

Finding the Fourth Proportional to 669,911.28, 1,004,302.06 and 290,546.29

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Solution

The fourth proportional to 669,911.28, 1,004,302.06 and 290,546.29 is: 435,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,911.28 : 1,004,302.06 = 290,546.29 : x
  2. Step 2: Convert to fraction form
    669,911.28/1,004,302.06 = 290,546.29/x
  3. Step 3: Cross multiply
    669,911.28x = 1,004,302.06 × 290,546.29
  4. Step 4: Simplify right side
    669,911.28x = 291,796,238,714.25
  5. Step 5: Solve for x
    x = 291,796,238,714.25/669,911.28
  6. Step 6: Final answer
    x = 435,574.45

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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.