Home / 804,955.60-1,205,683.80-488,861.20

Finding the Fourth Proportional to 804,955.60, 1,205,683.80 and 488,861.20

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Solution

The fourth proportional to 804,955.60, 1,205,683.80 and 488,861.20 is: 732,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,955.60 : 1,205,683.80 = 488,861.20 : x
  2. Step 2: Convert to fraction form
    804,955.60/1,205,683.80 = 488,861.20/x
  3. Step 3: Cross multiply
    804,955.60x = 1,205,683.80 × 488,861.20
  4. Step 4: Simplify right side
    804,955.60x = 589,412,029,288.56
  5. Step 5: Solve for x
    x = 589,412,029,288.56/804,955.60
  6. Step 6: Final answer
    x = 732,229.24

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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.