Home / 770,381.18-1,063,116.60-426,242.16

Finding the Fourth Proportional to 770,381.18, 1,063,116.60 and 426,242.16

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Solution

The fourth proportional to 770,381.18, 1,063,116.60 and 426,242.16 is: 588,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,381.18 : 1,063,116.60 = 426,242.16 : x
  2. Step 2: Convert to fraction form
    770,381.18/1,063,116.60 = 426,242.16/x
  3. Step 3: Cross multiply
    770,381.18x = 1,063,116.60 × 426,242.16
  4. Step 4: Simplify right side
    770,381.18x = 453,145,115,915.86
  5. Step 5: Solve for x
    x = 453,145,115,915.86/770,381.18
  6. Step 6: Final answer
    x = 588,208.96

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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.