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Finding the Fourth Proportional to 553,611.60, 830,417.40 and 273,675.60

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Solution

The fourth proportional to 553,611.60, 830,417.40 and 273,675.60 is: 410,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,611.60 : 830,417.40 = 273,675.60 : x
  2. Step 2: Convert to fraction form
    553,611.60/830,417.40 = 273,675.60/x
  3. Step 3: Cross multiply
    553,611.60x = 830,417.40 × 273,675.60
  4. Step 4: Simplify right side
    553,611.60x = 227,264,980,195.44
  5. Step 5: Solve for x
    x = 227,264,980,195.44/553,611.60
  6. Step 6: Final answer
    x = 410,513.40

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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.