Home / 700,318.72-1,050,806.13-345,138.98

Finding the Fourth Proportional to 700,318.72, 1,050,806.13 and 345,138.98

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Solution

The fourth proportional to 700,318.72, 1,050,806.13 and 345,138.98 is: 517,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,318.72 : 1,050,806.13 = 345,138.98 : x
  2. Step 2: Convert to fraction form
    700,318.72/1,050,806.13 = 345,138.98/x
  3. Step 3: Cross multiply
    700,318.72x = 1,050,806.13 × 345,138.98
  4. Step 4: Simplify right side
    700,318.72x = 362,674,158,512.96
  5. Step 5: Solve for x
    x = 362,674,158,512.96/700,318.72
  6. Step 6: Final answer
    x = 517,870.15

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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.