Home / 700,317.78-1,050,804.72-345,138.05

Finding the Fourth Proportional to 700,317.78, 1,050,804.72 and 345,138.05

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Solution

The fourth proportional to 700,317.78, 1,050,804.72 and 345,138.05 is: 517,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,317.78 : 1,050,804.72 = 345,138.05 : x
  2. Step 2: Convert to fraction form
    700,317.78/1,050,804.72 = 345,138.05/x
  3. Step 3: Cross multiply
    700,317.78x = 1,050,804.72 × 345,138.05
  4. Step 4: Simplify right side
    700,317.78x = 362,672,686,737.57
  5. Step 5: Solve for x
    x = 362,672,686,737.57/700,317.78
  6. Step 6: Final answer
    x = 517,868.74

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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.