Home / 700,319.22-1,050,806.88-345,139.49

Finding the Fourth Proportional to 700,319.22, 1,050,806.88 and 345,139.49

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Solution

The fourth proportional to 700,319.22, 1,050,806.88 and 345,139.49 is: 517,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,319.22 : 1,050,806.88 = 345,139.49 : x
  2. Step 2: Convert to fraction form
    700,319.22/1,050,806.88 = 345,139.49/x
  3. Step 3: Cross multiply
    700,319.22x = 1,050,806.88 × 345,139.49
  4. Step 4: Simplify right side
    700,319.22x = 362,674,945,397.66
  5. Step 5: Solve for x
    x = 362,674,945,397.66/700,319.22
  6. Step 6: Final answer
    x = 517,870.90

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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.