Home / 1,030,931.20-1,546,542.60-320,885.20

Finding the Fourth Proportional to 1,030,931.20, 1,546,542.60 and 320,885.20

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Solution

The fourth proportional to 1,030,931.20, 1,546,542.60 and 320,885.20 is: 481,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,931.20 : 1,546,542.60 = 320,885.20 : x
  2. Step 2: Convert to fraction form
    1,030,931.20/1,546,542.60 = 320,885.20/x
  3. Step 3: Cross multiply
    1,030,931.20x = 1,546,542.60 × 320,885.20
  4. Step 4: Simplify right side
    1,030,931.20x = 496,262,631,509.52
  5. Step 5: Solve for x
    x = 496,262,631,509.52/1,030,931.20
  6. Step 6: Final answer
    x = 481,373.18

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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.