Home / 714,931.60-1,072,578.91-330,957.27

Finding the Fourth Proportional to 714,931.60, 1,072,578.91 and 330,957.27

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Solution

The fourth proportional to 714,931.60, 1,072,578.91 and 330,957.27 is: 496,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,931.60 : 1,072,578.91 = 330,957.27 : x
  2. Step 2: Convert to fraction form
    714,931.60/1,072,578.91 = 330,957.27/x
  3. Step 3: Cross multiply
    714,931.60x = 1,072,578.91 × 330,957.27
  4. Step 4: Simplify right side
    714,931.60x = 354,977,790,071.13
  5. Step 5: Solve for x
    x = 354,977,790,071.13/714,931.60
  6. Step 6: Final answer
    x = 496,519.94

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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.