Home / 669,862.20-1,004,678.10-248,921.40

Finding the Fourth Proportional to 669,862.20, 1,004,678.10 and 248,921.40

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Solution

The fourth proportional to 669,862.20, 1,004,678.10 and 248,921.40 is: 373,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,862.20 : 1,004,678.10 = 248,921.40 : x
  2. Step 2: Convert to fraction form
    669,862.20/1,004,678.10 = 248,921.40/x
  3. Step 3: Cross multiply
    669,862.20x = 1,004,678.10 × 248,921.40
  4. Step 4: Simplify right side
    669,862.20x = 250,085,879,201.34
  5. Step 5: Solve for x
    x = 250,085,879,201.34/669,862.20
  6. Step 6: Final answer
    x = 373,339.29

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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.