Home / 768,724.65-1,060,817.99-429,185.61

Finding the Fourth Proportional to 768,724.65, 1,060,817.99 and 429,185.61

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Solution

The fourth proportional to 768,724.65, 1,060,817.99 and 429,185.61 is: 592,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,724.65 : 1,060,817.99 = 429,185.61 : x
  2. Step 2: Convert to fraction form
    768,724.65/1,060,817.99 = 429,185.61/x
  3. Step 3: Cross multiply
    768,724.65x = 1,060,817.99 × 429,185.61
  4. Step 4: Simplify right side
    768,724.65x = 455,287,813,991.20
  5. Step 5: Solve for x
    x = 455,287,813,991.20/768,724.65
  6. Step 6: Final answer
    x = 592,263.84

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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.