Home / 714,534.20-1,071,899.60-265,216.96

Finding the Fourth Proportional to 714,534.20, 1,071,899.60 and 265,216.96

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Solution

The fourth proportional to 714,534.20, 1,071,899.60 and 265,216.96 is: 397,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,534.20 : 1,071,899.60 = 265,216.96 : x
  2. Step 2: Convert to fraction form
    714,534.20/1,071,899.60 = 265,216.96/x
  3. Step 3: Cross multiply
    714,534.20x = 1,071,899.60 × 265,216.96
  4. Step 4: Simplify right side
    714,534.20x = 284,285,953,337.22
  5. Step 5: Solve for x
    x = 284,285,953,337.22/714,534.20
  6. Step 6: Final answer
    x = 397,861.93

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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.