Home / 768,918.96-1,061,110.44-429,400.08

Finding the Fourth Proportional to 768,918.96, 1,061,110.44 and 429,400.08

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Solution

The fourth proportional to 768,918.96, 1,061,110.44 and 429,400.08 is: 592,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,918.96 : 1,061,110.44 = 429,400.08 : x
  2. Step 2: Convert to fraction form
    768,918.96/1,061,110.44 = 429,400.08/x
  3. Step 3: Cross multiply
    768,918.96x = 1,061,110.44 × 429,400.08
  4. Step 4: Simplify right side
    768,918.96x = 455,640,907,824.84
  5. Step 5: Solve for x
    x = 455,640,907,824.84/768,918.96
  6. Step 6: Final answer
    x = 592,573.38

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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.