Home / 1,050.96-1,450.60-631.33

Finding the Fourth Proportional to 1,050.96, 1,450.60 and 631.33

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Solution

The fourth proportional to 1,050.96, 1,450.60 and 631.33 is: 871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.96 : 1,450.60 = 631.33 : x
  2. Step 2: Convert to fraction form
    1,050.96/1,450.60 = 631.33/x
  3. Step 3: Cross multiply
    1,050.96x = 1,450.60 × 631.33
  4. Step 4: Simplify right side
    1,050.96x = 915,807.30
  5. Step 5: Solve for x
    x = 915,807.30/1,050.96
  6. Step 6: Final answer
    x = 871.40

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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.