Home / 948,930.24-1,423,920.88-388,358.40

Finding the Fourth Proportional to 948,930.24, 1,423,920.88 and 388,358.40

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Solution

The fourth proportional to 948,930.24, 1,423,920.88 and 388,358.40 is: 582,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,930.24 : 1,423,920.88 = 388,358.40 : x
  2. Step 2: Convert to fraction form
    948,930.24/1,423,920.88 = 388,358.40/x
  3. Step 3: Cross multiply
    948,930.24x = 1,423,920.88 × 388,358.40
  4. Step 4: Simplify right side
    948,930.24x = 552,991,634,683.39
  5. Step 5: Solve for x
    x = 552,991,634,683.39/948,930.24
  6. Step 6: Final answer
    x = 582,752.67

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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.