Home / 846,064.76-1,269,310.98-390,436.52

Finding the Fourth Proportional to 846,064.76, 1,269,310.98 and 390,436.52

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Solution

The fourth proportional to 846,064.76, 1,269,310.98 and 390,436.52 is: 585,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,064.76 : 1,269,310.98 = 390,436.52 : x
  2. Step 2: Convert to fraction form
    846,064.76/1,269,310.98 = 390,436.52/x
  3. Step 3: Cross multiply
    846,064.76x = 1,269,310.98 × 390,436.52
  4. Step 4: Simplify right side
    846,064.76x = 495,585,361,828.99
  5. Step 5: Solve for x
    x = 495,585,361,828.99/846,064.76
  6. Step 6: Final answer
    x = 585,753.46

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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.