Home / 746,131.64-1,029,612.40-419,495

Finding the Fourth Proportional to 746,131.64, 1,029,612.40 and 419,495

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Solution

The fourth proportional to 746,131.64, 1,029,612.40 and 419,495 is: 578,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,131.64 : 1,029,612.40 = 419,495 : x
  2. Step 2: Convert to fraction form
    746,131.64/1,029,612.40 = 419,495/x
  3. Step 3: Cross multiply
    746,131.64x = 1,029,612.40 × 419,495
  4. Step 4: Simplify right side
    746,131.64x = 431,917,253,738
  5. Step 5: Solve for x
    x = 431,917,253,738/746,131.64
  6. Step 6: Final answer
    x = 578,875.40

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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.