Home / 770,671.42-1,063,502.54-426,486.64

Finding the Fourth Proportional to 770,671.42, 1,063,502.54 and 426,486.64

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Solution

The fourth proportional to 770,671.42, 1,063,502.54 and 426,486.64 is: 588,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,671.42 : 1,063,502.54 = 426,486.64 : x
  2. Step 2: Convert to fraction form
    770,671.42/1,063,502.54 = 426,486.64/x
  3. Step 3: Cross multiply
    770,671.42x = 1,063,502.54 × 426,486.64
  4. Step 4: Simplify right side
    770,671.42x = 453,569,624,916.07
  5. Step 5: Solve for x
    x = 453,569,624,916.07/770,671.42
  6. Step 6: Final answer
    x = 588,538.27

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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.