Home / 833,427.18-1,150,128.36-451,455.48

Finding the Fourth Proportional to 833,427.18, 1,150,128.36 and 451,455.48

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Solution

The fourth proportional to 833,427.18, 1,150,128.36 and 451,455.48 is: 623,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,427.18 : 1,150,128.36 = 451,455.48 : x
  2. Step 2: Convert to fraction form
    833,427.18/1,150,128.36 = 451,455.48/x
  3. Step 3: Cross multiply
    833,427.18x = 1,150,128.36 × 451,455.48
  4. Step 4: Simplify right side
    833,427.18x = 519,231,750,825.41
  5. Step 5: Solve for x
    x = 519,231,750,825.41/833,427.18
  6. Step 6: Final answer
    x = 623,007.94

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1.5x scale

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.