Home / 1,030,328.37-1,545,104.33-431,330.94

Finding the Fourth Proportional to 1,030,328.37, 1,545,104.33 and 431,330.94

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Solution

The fourth proportional to 1,030,328.37, 1,545,104.33 and 431,330.94 is: 646,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,328.37 : 1,545,104.33 = 431,330.94 : x
  2. Step 2: Convert to fraction form
    1,030,328.37/1,545,104.33 = 431,330.94/x
  3. Step 3: Cross multiply
    1,030,328.37x = 1,545,104.33 × 431,330.94
  4. Step 4: Simplify right side
    1,030,328.37x = 666,451,300,900.32
  5. Step 5: Solve for x
    x = 666,451,300,900.32/1,030,328.37
  6. Step 6: Final answer
    x = 646,833.88

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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.