Home / 959,368.30-1,438,789.20-360,284.20

Finding the Fourth Proportional to 959,368.30, 1,438,789.20 and 360,284.20

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Solution

The fourth proportional to 959,368.30, 1,438,789.20 and 360,284.20 is: 540,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,368.30 : 1,438,789.20 = 360,284.20 : x
  2. Step 2: Convert to fraction form
    959,368.30/1,438,789.20 = 360,284.20/x
  3. Step 3: Cross multiply
    959,368.30x = 1,438,789.20 × 360,284.20
  4. Step 4: Simplify right side
    959,368.30x = 518,373,015,890.64
  5. Step 5: Solve for x
    x = 518,373,015,890.64/959,368.30
  6. Step 6: Final answer
    x = 540,327.44

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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.