Home / 770,384.88-1,063,471.66-460,396.86

Finding the Fourth Proportional to 770,384.88, 1,063,471.66 and 460,396.86

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Solution

The fourth proportional to 770,384.88, 1,063,471.66 and 460,396.86 is: 635,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,384.88 : 1,063,471.66 = 460,396.86 : x
  2. Step 2: Convert to fraction form
    770,384.88/1,063,471.66 = 460,396.86/x
  3. Step 3: Cross multiply
    770,384.88x = 1,063,471.66 × 460,396.86
  4. Step 4: Simplify right side
    770,384.88x = 489,619,012,962.99
  5. Step 5: Solve for x
    x = 489,619,012,962.99/770,384.88
  6. Step 6: Final answer
    x = 635,551.17

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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.