Home / 748,314.36-1,122,582.69-274,962.78

Finding the Fourth Proportional to 748,314.36, 1,122,582.69 and 274,962.78

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Solution

The fourth proportional to 748,314.36, 1,122,582.69 and 274,962.78 is: 412,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,314.36 : 1,122,582.69 = 274,962.78 : x
  2. Step 2: Convert to fraction form
    748,314.36/1,122,582.69 = 274,962.78/x
  3. Step 3: Cross multiply
    748,314.36x = 1,122,582.69 × 274,962.78
  4. Step 4: Simplify right side
    748,314.36x = 308,668,457,222.28
  5. Step 5: Solve for x
    x = 308,668,457,222.28/748,314.36
  6. Step 6: Final answer
    x = 412,485.01

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1.5x scale

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.