Home / 940,970.20-1,411,509.40-266,998.78

Finding the Fourth Proportional to 940,970.20, 1,411,509.40 and 266,998.78

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Solution

The fourth proportional to 940,970.20, 1,411,509.40 and 266,998.78 is: 400,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,970.20 : 1,411,509.40 = 266,998.78 : x
  2. Step 2: Convert to fraction form
    940,970.20/1,411,509.40 = 266,998.78/x
  3. Step 3: Cross multiply
    940,970.20x = 1,411,509.40 × 266,998.78
  4. Step 4: Simplify right side
    940,970.20x = 376,871,287,758.53
  5. Step 5: Solve for x
    x = 376,871,287,758.53/940,970.20
  6. Step 6: Final answer
    x = 400,513.52

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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.