Home / 788,403.60-1,181,050.20-471,920.40

Finding the Fourth Proportional to 788,403.60, 1,181,050.20 and 471,920.40

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Solution

The fourth proportional to 788,403.60, 1,181,050.20 and 471,920.40 is: 706,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,403.60 : 1,181,050.20 = 471,920.40 : x
  2. Step 2: Convert to fraction form
    788,403.60/1,181,050.20 = 471,920.40/x
  3. Step 3: Cross multiply
    788,403.60x = 1,181,050.20 × 471,920.40
  4. Step 4: Simplify right side
    788,403.60x = 557,361,682,804.08
  5. Step 5: Solve for x
    x = 557,361,682,804.08/788,403.60
  6. Step 6: Final answer
    x = 706,949.69

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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.