Home / 700,325.10-1,050,815.70-345,145.38

Finding the Fourth Proportional to 700,325.10, 1,050,815.70 and 345,145.38

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Solution

The fourth proportional to 700,325.10, 1,050,815.70 and 345,145.38 is: 517,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,325.10 : 1,050,815.70 = 345,145.38 : x
  2. Step 2: Convert to fraction form
    700,325.10/1,050,815.70 = 345,145.38/x
  3. Step 3: Cross multiply
    700,325.10x = 1,050,815.70 × 345,145.38
  4. Step 4: Simplify right side
    700,325.10x = 362,684,184,086.47
  5. Step 5: Solve for x
    x = 362,684,184,086.47/700,325.10
  6. Step 6: Final answer
    x = 517,879.74

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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.