Home / 811,055.20-1,217,811.60-624,277.60

Finding the Fourth Proportional to 811,055.20, 1,217,811.60 and 624,277.60

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Solution

The fourth proportional to 811,055.20, 1,217,811.60 and 624,277.60 is: 937,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,055.20 : 1,217,811.60 = 624,277.60 : x
  2. Step 2: Convert to fraction form
    811,055.20/1,217,811.60 = 624,277.60/x
  3. Step 3: Cross multiply
    811,055.20x = 1,217,811.60 × 624,277.60
  4. Step 4: Simplify right side
    811,055.20x = 760,252,502,900.16
  5. Step 5: Solve for x
    x = 760,252,502,900.16/811,055.20
  6. Step 6: Final answer
    x = 937,362.22

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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.