Home / 914,647.10-1,371,416.58-409,113.86

Finding the Fourth Proportional to 914,647.10, 1,371,416.58 and 409,113.86

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Solution

The fourth proportional to 914,647.10, 1,371,416.58 and 409,113.86 is: 613,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,647.10 : 1,371,416.58 = 409,113.86 : x
  2. Step 2: Convert to fraction form
    914,647.10/1,371,416.58 = 409,113.86/x
  3. Step 3: Cross multiply
    914,647.10x = 1,371,416.58 × 409,113.86
  4. Step 4: Simplify right side
    914,647.10x = 561,065,523,854.72
  5. Step 5: Solve for x
    x = 561,065,523,854.72/914,647.10
  6. Step 6: Final answer
    x = 613,422.96

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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.