Home / 700,013.87-1,050,906.98-429,477.18

Finding the Fourth Proportional to 700,013.87, 1,050,906.98 and 429,477.18

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Solution

The fourth proportional to 700,013.87, 1,050,906.98 and 429,477.18 is: 644,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,013.87 : 1,050,906.98 = 429,477.18 : x
  2. Step 2: Convert to fraction form
    700,013.87/1,050,906.98 = 429,477.18/x
  3. Step 3: Cross multiply
    700,013.87x = 1,050,906.98 × 429,477.18
  4. Step 4: Simplify right side
    700,013.87x = 451,340,564,065.33
  5. Step 5: Solve for x
    x = 451,340,564,065.33/700,013.87
  6. Step 6: Final answer
    x = 644,759.46

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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.