Home / 759,280.80-1,140,233.40-404,986.80

Finding the Fourth Proportional to 759,280.80, 1,140,233.40 and 404,986.80

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Solution

The fourth proportional to 759,280.80, 1,140,233.40 and 404,986.80 is: 608,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,280.80 : 1,140,233.40 = 404,986.80 : x
  2. Step 2: Convert to fraction form
    759,280.80/1,140,233.40 = 404,986.80/x
  3. Step 3: Cross multiply
    759,280.80x = 1,140,233.40 × 404,986.80
  4. Step 4: Simplify right side
    759,280.80x = 461,779,475,919.12
  5. Step 5: Solve for x
    x = 461,779,475,919.12/759,280.80
  6. Step 6: Final answer
    x = 608,180.10

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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.