Home / 670,317.60-1,004,909.94-290,951.40

Finding the Fourth Proportional to 670,317.60, 1,004,909.94 and 290,951.40

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Solution

The fourth proportional to 670,317.60, 1,004,909.94 and 290,951.40 is: 436,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,317.60 : 1,004,909.94 = 290,951.40 : x
  2. Step 2: Convert to fraction form
    670,317.60/1,004,909.94 = 290,951.40/x
  3. Step 3: Cross multiply
    670,317.60x = 1,004,909.94 × 290,951.40
  4. Step 4: Simplify right side
    670,317.60x = 292,379,953,916.92
  5. Step 5: Solve for x
    x = 292,379,953,916.92/670,317.60
  6. Step 6: Final answer
    x = 436,181.23

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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.