Home / 917,566.71-1,376,363.90-318,546.90

Finding the Fourth Proportional to 917,566.71, 1,376,363.90 and 318,546.90

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Solution

The fourth proportional to 917,566.71, 1,376,363.90 and 318,546.90 is: 477,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,566.71 : 1,376,363.90 = 318,546.90 : x
  2. Step 2: Convert to fraction form
    917,566.71/1,376,363.90 = 318,546.90/x
  3. Step 3: Cross multiply
    917,566.71x = 1,376,363.90 × 318,546.90
  4. Step 4: Simplify right side
    917,566.71x = 438,436,450,542.25
  5. Step 5: Solve for x
    x = 438,436,450,542.25/917,566.71
  6. Step 6: Final answer
    x = 477,825.15

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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.