Home / 758,813.04-1,047,183.12-419,303.52

Finding the Fourth Proportional to 758,813.04, 1,047,183.12 and 419,303.52

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Solution

The fourth proportional to 758,813.04, 1,047,183.12 and 419,303.52 is: 578,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,813.04 : 1,047,183.12 = 419,303.52 : x
  2. Step 2: Convert to fraction form
    758,813.04/1,047,183.12 = 419,303.52/x
  3. Step 3: Cross multiply
    758,813.04x = 1,047,183.12 × 419,303.52
  4. Step 4: Simplify right side
    758,813.04x = 439,087,568,300.58
  5. Step 5: Solve for x
    x = 439,087,568,300.58/758,813.04
  6. Step 6: Final answer
    x = 578,650.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.