Home / 714,717.68-1,072,520.60-445,374.45

Finding the Fourth Proportional to 714,717.68, 1,072,520.60 and 445,374.45

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Solution

The fourth proportional to 714,717.68, 1,072,520.60 and 445,374.45 is: 668,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,717.68 : 1,072,520.60 = 445,374.45 : x
  2. Step 2: Convert to fraction form
    714,717.68/1,072,520.60 = 445,374.45/x
  3. Step 3: Cross multiply
    714,717.68x = 1,072,520.60 × 445,374.45
  4. Step 4: Simplify right side
    714,717.68x = 477,673,270,111.80
  5. Step 5: Solve for x
    x = 477,673,270,111.80/714,717.68
  6. Step 6: Final answer
    x = 668,338.40

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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.