Home / 923,428.80-1,384,365.60-480,196.80

Finding the Fourth Proportional to 923,428.80, 1,384,365.60 and 480,196.80

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Solution

The fourth proportional to 923,428.80, 1,384,365.60 and 480,196.80 is: 719,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,428.80 : 1,384,365.60 = 480,196.80 : x
  2. Step 2: Convert to fraction form
    923,428.80/1,384,365.60 = 480,196.80/x
  3. Step 3: Cross multiply
    923,428.80x = 1,384,365.60 × 480,196.80
  4. Step 4: Simplify right side
    923,428.80x = 664,767,931,150.08
  5. Step 5: Solve for x
    x = 664,767,931,150.08/923,428.80
  6. Step 6: Final answer
    x = 719,890.84

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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.