Home / 770,394.02-1,063,484.26-460,405.96

Finding the Fourth Proportional to 770,394.02, 1,063,484.26 and 460,405.96

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Solution

The fourth proportional to 770,394.02, 1,063,484.26 and 460,405.96 is: 635,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,394.02 : 1,063,484.26 = 460,405.96 : x
  2. Step 2: Convert to fraction form
    770,394.02/1,063,484.26 = 460,405.96/x
  3. Step 3: Cross multiply
    770,394.02x = 1,063,484.26 × 460,405.96
  4. Step 4: Simplify right side
    770,394.02x = 489,634,487,860.46
  5. Step 5: Solve for x
    x = 489,634,487,860.46/770,394.02
  6. Step 6: Final answer
    x = 635,563.72

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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.