Home / 940,579.40-1,411,242.95-300,981.68

Finding the Fourth Proportional to 940,579.40, 1,411,242.95 and 300,981.68

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Solution

The fourth proportional to 940,579.40, 1,411,242.95 and 300,981.68 is: 451,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,579.40 : 1,411,242.95 = 300,981.68 : x
  2. Step 2: Convert to fraction form
    940,579.40/1,411,242.95 = 300,981.68/x
  3. Step 3: Cross multiply
    940,579.40x = 1,411,242.95 × 300,981.68
  4. Step 4: Simplify right side
    940,579.40x = 424,758,273,979.16
  5. Step 5: Solve for x
    x = 424,758,273,979.16/940,579.40
  6. Step 6: Final answer
    x = 451,592.15

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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.