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Finding the Fourth Proportional to 533,602.40, 800,403.60 and 490,056.80

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Solution

The fourth proportional to 533,602.40, 800,403.60 and 490,056.80 is: 735,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,602.40 : 800,403.60 = 490,056.80 : x
  2. Step 2: Convert to fraction form
    533,602.40/800,403.60 = 490,056.80/x
  3. Step 3: Cross multiply
    533,602.40x = 800,403.60 × 490,056.80
  4. Step 4: Simplify right side
    533,602.40x = 392,243,226,924.48
  5. Step 5: Solve for x
    x = 392,243,226,924.48/533,602.40
  6. Step 6: Final answer
    x = 735,085.20

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Similar ratio
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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.