Home / 1,010,300.78-1,515,700.63-300,325.78

Finding the Fourth Proportional to 1,010,300.78, 1,515,700.63 and 300,325.78

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Solution

The fourth proportional to 1,010,300.78, 1,515,700.63 and 300,325.78 is: 450,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,300.78 : 1,515,700.63 = 300,325.78 : x
  2. Step 2: Convert to fraction form
    1,010,300.78/1,515,700.63 = 300,325.78/x
  3. Step 3: Cross multiply
    1,010,300.78x = 1,515,700.63 × 300,325.78
  4. Step 4: Simplify right side
    1,010,300.78x = 455,203,973,951.24
  5. Step 5: Solve for x
    x = 455,203,973,951.24/1,010,300.78
  6. Step 6: Final answer
    x = 450,562.83

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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.