Home / 770,382.87-1,063,468.90-460,394.85

Finding the Fourth Proportional to 770,382.87, 1,063,468.90 and 460,394.85

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Solution

The fourth proportional to 770,382.87, 1,063,468.90 and 460,394.85 is: 635,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,382.87 : 1,063,468.90 = 460,394.85 : x
  2. Step 2: Convert to fraction form
    770,382.87/1,063,468.90 = 460,394.85/x
  3. Step 3: Cross multiply
    770,382.87x = 1,063,468.90 × 460,394.85
  4. Step 4: Simplify right side
    770,382.87x = 489,615,606,668.95
  5. Step 5: Solve for x
    x = 489,615,606,668.95/770,382.87
  6. Step 6: Final answer
    x = 635,548.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.