Home / 754,854.21-1,041,301.74-448,712.83

Finding the Fourth Proportional to 754,854.21, 1,041,301.74 and 448,712.83

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Solution

The fourth proportional to 754,854.21, 1,041,301.74 and 448,712.83 is: 618,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,854.21 : 1,041,301.74 = 448,712.83 : x
  2. Step 2: Convert to fraction form
    754,854.21/1,041,301.74 = 448,712.83/x
  3. Step 3: Cross multiply
    754,854.21x = 1,041,301.74 × 448,712.83
  4. Step 4: Simplify right side
    754,854.21x = 467,245,450,639.32
  5. Step 5: Solve for x
    x = 467,245,450,639.32/754,854.21
  6. Step 6: Final answer
    x = 618,987.67

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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.