Home / 942,238.40-1,412,920.20-409,485.20

Finding the Fourth Proportional to 942,238.40, 1,412,920.20 and 409,485.20

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Solution

The fourth proportional to 942,238.40, 1,412,920.20 and 409,485.20 is: 614,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,238.40 : 1,412,920.20 = 409,485.20 : x
  2. Step 2: Convert to fraction form
    942,238.40/1,412,920.20 = 409,485.20/x
  3. Step 3: Cross multiply
    942,238.40x = 1,412,920.20 × 409,485.20
  4. Step 4: Simplify right side
    942,238.40x = 578,569,910,681.04
  5. Step 5: Solve for x
    x = 578,569,910,681.04/942,238.40
  6. Step 6: Final answer
    x = 614,037.71

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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.