Home / 702,557.21-1,054,033.14-282,128.33

Finding the Fourth Proportional to 702,557.21, 1,054,033.14 and 282,128.33

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Solution

The fourth proportional to 702,557.21, 1,054,033.14 and 282,128.33 is: 423,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,557.21 : 1,054,033.14 = 282,128.33 : x
  2. Step 2: Convert to fraction form
    702,557.21/1,054,033.14 = 282,128.33/x
  3. Step 3: Cross multiply
    702,557.21x = 1,054,033.14 × 282,128.33
  4. Step 4: Simplify right side
    702,557.21x = 297,372,609,552.86
  5. Step 5: Solve for x
    x = 297,372,609,552.86/702,557.21
  6. Step 6: Final answer
    x = 423,271.74

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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.