Home / 786,326.94-1,177,994.34-406,678.86

Finding the Fourth Proportional to 786,326.94, 1,177,994.34 and 406,678.86

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Solution

The fourth proportional to 786,326.94, 1,177,994.34 and 406,678.86 is: 609,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,326.94 : 1,177,994.34 = 406,678.86 : x
  2. Step 2: Convert to fraction form
    786,326.94/1,177,994.34 = 406,678.86/x
  3. Step 3: Cross multiply
    786,326.94x = 1,177,994.34 × 406,678.86
  4. Step 4: Simplify right side
    786,326.94x = 479,065,395,277.65
  5. Step 5: Solve for x
    x = 479,065,395,277.65/786,326.94
  6. Step 6: Final answer
    x = 609,244.54

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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.