Home / 959,415.57-1,438,860.65-360,330.39

Finding the Fourth Proportional to 959,415.57, 1,438,860.65 and 360,330.39

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Solution

The fourth proportional to 959,415.57, 1,438,860.65 and 360,330.39 is: 540,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,415.57 : 1,438,860.65 = 360,330.39 : x
  2. Step 2: Convert to fraction form
    959,415.57/1,438,860.65 = 360,330.39/x
  3. Step 3: Cross multiply
    959,415.57x = 1,438,860.65 × 360,330.39
  4. Step 4: Simplify right side
    959,415.57x = 518,465,217,368.50
  5. Step 5: Solve for x
    x = 518,465,217,368.50/959,415.57
  6. Step 6: Final answer
    x = 540,396.92

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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.