Home / 940,809.30-1,411,343.55-408,315.30

Finding the Fourth Proportional to 940,809.30, 1,411,343.55 and 408,315.30

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Solution

The fourth proportional to 940,809.30, 1,411,343.55 and 408,315.30 is: 612,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,809.30 : 1,411,343.55 = 408,315.30 : x
  2. Step 2: Convert to fraction form
    940,809.30/1,411,343.55 = 408,315.30/x
  3. Step 3: Cross multiply
    940,809.30x = 1,411,343.55 × 408,315.30
  4. Step 4: Simplify right side
    940,809.30x = 576,273,165,021.32
  5. Step 5: Solve for x
    x = 576,273,165,021.32/940,809.30
  6. Step 6: Final answer
    x = 612,529.20

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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.