Home / 1,050.32-1,452.36-904.40

Finding the Fourth Proportional to 1,050.32, 1,452.36 and 904.40

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Solution

The fourth proportional to 1,050.32, 1,452.36 and 904.40 is: 1,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.32 : 1,452.36 = 904.40 : x
  2. Step 2: Convert to fraction form
    1,050.32/1,452.36 = 904.40/x
  3. Step 3: Cross multiply
    1,050.32x = 1,452.36 × 904.40
  4. Step 4: Simplify right side
    1,050.32x = 1,313,514.38
  5. Step 5: Solve for x
    x = 1,313,514.38/1,050.32
  6. Step 6: Final answer
    x = 1,250.58

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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.