Home / 792,415.40-1,189,497.90-493,233.80

Finding the Fourth Proportional to 792,415.40, 1,189,497.90 and 493,233.80

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Solution

The fourth proportional to 792,415.40, 1,189,497.90 and 493,233.80 is: 740,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,415.40 : 1,189,497.90 = 493,233.80 : x
  2. Step 2: Convert to fraction form
    792,415.40/1,189,497.90 = 493,233.80/x
  3. Step 3: Cross multiply
    792,415.40x = 1,189,497.90 × 493,233.80
  4. Step 4: Simplify right side
    792,415.40x = 586,700,569,309.02
  5. Step 5: Solve for x
    x = 586,700,569,309.02/792,415.40
  6. Step 6: Final answer
    x = 740,395.21

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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.