Home / 857,675.67-1,183,608.20-470,510.85

Finding the Fourth Proportional to 857,675.67, 1,183,608.20 and 470,510.85

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Solution

The fourth proportional to 857,675.67, 1,183,608.20 and 470,510.85 is: 649,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,675.67 : 1,183,608.20 = 470,510.85 : x
  2. Step 2: Convert to fraction form
    857,675.67/1,183,608.20 = 470,510.85/x
  3. Step 3: Cross multiply
    857,675.67x = 1,183,608.20 × 470,510.85
  4. Step 4: Simplify right side
    857,675.67x = 556,900,505,863.78
  5. Step 5: Solve for x
    x = 556,900,505,863.78/857,675.67
  6. Step 6: Final answer
    x = 649,313.64

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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.