Home / 846,669.31-1,269,678.58-306,766.91

Finding the Fourth Proportional to 846,669.31, 1,269,678.58 and 306,766.91

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Solution

The fourth proportional to 846,669.31, 1,269,678.58 and 306,766.91 is: 460,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,669.31 : 1,269,678.58 = 306,766.91 : x
  2. Step 2: Convert to fraction form
    846,669.31/1,269,678.58 = 306,766.91/x
  3. Step 3: Cross multiply
    846,669.31x = 1,269,678.58 × 306,766.91
  4. Step 4: Simplify right side
    846,669.31x = 389,495,377,087.07
  5. Step 5: Solve for x
    x = 389,495,377,087.07/846,669.31
  6. Step 6: Final answer
    x = 460,032.48

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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.