Home / 947,559.76-1,421,183.86-340,222.31

Finding the Fourth Proportional to 947,559.76, 1,421,183.86 and 340,222.31

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Solution

The fourth proportional to 947,559.76, 1,421,183.86 and 340,222.31 is: 510,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,559.76 : 1,421,183.86 = 340,222.31 : x
  2. Step 2: Convert to fraction form
    947,559.76/1,421,183.86 = 340,222.31/x
  3. Step 3: Cross multiply
    947,559.76x = 1,421,183.86 × 340,222.31
  4. Step 4: Simplify right side
    947,559.76x = 483,518,455,783.92
  5. Step 5: Solve for x
    x = 483,518,455,783.92/947,559.76
  6. Step 6: Final answer
    x = 510,277.53

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1.5x scale

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.