Home / 446,829.20-670,243.80-260,205.20

Finding the Fourth Proportional to 446,829.20, 670,243.80 and 260,205.20

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Solution

The fourth proportional to 446,829.20, 670,243.80 and 260,205.20 is: 390,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,829.20 : 670,243.80 = 260,205.20 : x
  2. Step 2: Convert to fraction form
    446,829.20/670,243.80 = 260,205.20/x
  3. Step 3: Cross multiply
    446,829.20x = 670,243.80 × 260,205.20
  4. Step 4: Simplify right side
    446,829.20x = 174,400,922,027.76
  5. Step 5: Solve for x
    x = 174,400,922,027.76/446,829.20
  6. Step 6: Final answer
    x = 390,307.80

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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.