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Finding the Fourth Proportional to 560,947.01, 840,079.44 and 323,570.03

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Solution

The fourth proportional to 560,947.01, 840,079.44 and 323,570.03 is: 484,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,947.01 : 840,079.44 = 323,570.03 : x
  2. Step 2: Convert to fraction form
    560,947.01/840,079.44 = 323,570.03/x
  3. Step 3: Cross multiply
    560,947.01x = 840,079.44 × 323,570.03
  4. Step 4: Simplify right side
    560,947.01x = 271,824,525,402.79
  5. Step 5: Solve for x
    x = 271,824,525,402.79/560,947.01
  6. Step 6: Final answer
    x = 484,581.47

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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.