Home / 1,004,130.72-1,385,650.50-568,480.32

Finding the Fourth Proportional to 1,004,130.72, 1,385,650.50 and 568,480.32

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Solution

The fourth proportional to 1,004,130.72, 1,385,650.50 and 568,480.32 is: 784,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,130.72 : 1,385,650.50 = 568,480.32 : x
  2. Step 2: Convert to fraction form
    1,004,130.72/1,385,650.50 = 568,480.32/x
  3. Step 3: Cross multiply
    1,004,130.72x = 1,385,650.50 × 568,480.32
  4. Step 4: Simplify right side
    1,004,130.72x = 787,715,039,648.16
  5. Step 5: Solve for x
    x = 787,715,039,648.16/1,004,130.72
  6. Step 6: Final answer
    x = 784,474.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.