Home / 768,976.96-1,061,190.48-429,458.08

Finding the Fourth Proportional to 768,976.96, 1,061,190.48 and 429,458.08

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Solution

The fourth proportional to 768,976.96, 1,061,190.48 and 429,458.08 is: 592,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,976.96 : 1,061,190.48 = 429,458.08 : x
  2. Step 2: Convert to fraction form
    768,976.96/1,061,190.48 = 429,458.08/x
  3. Step 3: Cross multiply
    768,976.96x = 1,061,190.48 × 429,458.08
  4. Step 4: Simplify right side
    768,976.96x = 455,736,826,055.08
  5. Step 5: Solve for x
    x = 455,736,826,055.08/768,976.96
  6. Step 6: Final answer
    x = 592,653.42

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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.