Home / 700,318.78-1,050,806.22-345,139.05

Finding the Fourth Proportional to 700,318.78, 1,050,806.22 and 345,139.05

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Solution

The fourth proportional to 700,318.78, 1,050,806.22 and 345,139.05 is: 517,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,318.78 : 1,050,806.22 = 345,139.05 : x
  2. Step 2: Convert to fraction form
    700,318.78/1,050,806.22 = 345,139.05/x
  3. Step 3: Cross multiply
    700,318.78x = 1,050,806.22 × 345,139.05
  4. Step 4: Simplify right side
    700,318.78x = 362,674,260,504.89
  5. Step 5: Solve for x
    x = 362,674,260,504.89/700,318.78
  6. Step 6: Final answer
    x = 517,870.25

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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.