Home / 713,558.70-1,069,819.65-292,617.90

Finding the Fourth Proportional to 713,558.70, 1,069,819.65 and 292,617.90

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Solution

The fourth proportional to 713,558.70, 1,069,819.65 and 292,617.90 is: 438,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,558.70 : 1,069,819.65 = 292,617.90 : x
  2. Step 2: Convert to fraction form
    713,558.70/1,069,819.65 = 292,617.90/x
  3. Step 3: Cross multiply
    713,558.70x = 1,069,819.65 × 292,617.90
  4. Step 4: Simplify right side
    713,558.70x = 313,048,379,361.74
  5. Step 5: Solve for x
    x = 313,048,379,361.74/713,558.70
  6. Step 6: Final answer
    x = 438,714.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.