Home / 947,757.15-1,421,884.73-340,606.77

Finding the Fourth Proportional to 947,757.15, 1,421,884.73 and 340,606.77

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Solution

The fourth proportional to 947,757.15, 1,421,884.73 and 340,606.77 is: 510,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,757.15 : 1,421,884.73 = 340,606.77 : x
  2. Step 2: Convert to fraction form
    947,757.15/1,421,884.73 = 340,606.77/x
  3. Step 3: Cross multiply
    947,757.15x = 1,421,884.73 × 340,606.77
  4. Step 4: Simplify right side
    947,757.15x = 484,303,563,494.59
  5. Step 5: Solve for x
    x = 484,303,563,494.59/947,757.15
  6. Step 6: Final answer
    x = 510,999.64

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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.