Home / 750,311.09-1,035,527.91-427,947.29

Finding the Fourth Proportional to 750,311.09, 1,035,527.91 and 427,947.29

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Solution

The fourth proportional to 750,311.09, 1,035,527.91 and 427,947.29 is: 590,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,311.09 : 1,035,527.91 = 427,947.29 : x
  2. Step 2: Convert to fraction form
    750,311.09/1,035,527.91 = 427,947.29/x
  3. Step 3: Cross multiply
    750,311.09x = 1,035,527.91 × 427,947.29
  4. Step 4: Simplify right side
    750,311.09x = 443,151,362,803.86
  5. Step 5: Solve for x
    x = 443,151,362,803.86/750,311.09
  6. Step 6: Final answer
    x = 590,623.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.