Home / 659,733.60-988,822.80-493,327.20

Finding the Fourth Proportional to 659,733.60, 988,822.80 and 493,327.20

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Solution

The fourth proportional to 659,733.60, 988,822.80 and 493,327.20 is: 739,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,733.60 : 988,822.80 = 493,327.20 : x
  2. Step 2: Convert to fraction form
    659,733.60/988,822.80 = 493,327.20/x
  3. Step 3: Cross multiply
    659,733.60x = 988,822.80 × 493,327.20
  4. Step 4: Simplify right side
    659,733.60x = 487,813,183,220.16
  5. Step 5: Solve for x
    x = 487,813,183,220.16/659,733.60
  6. Step 6: Final answer
    x = 739,409.34

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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.