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Finding the Fourth Proportional to 660,041.27, 910,700.83 and 373,561.35

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Solution

The fourth proportional to 660,041.27, 910,700.83 and 373,561.35 is: 515,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,041.27 : 910,700.83 = 373,561.35 : x
  2. Step 2: Convert to fraction form
    660,041.27/910,700.83 = 373,561.35/x
  3. Step 3: Cross multiply
    660,041.27x = 910,700.83 × 373,561.35
  4. Step 4: Simplify right side
    660,041.27x = 340,202,632,639.30
  5. Step 5: Solve for x
    x = 340,202,632,639.30/660,041.27
  6. Step 6: Final answer
    x = 515,426.31

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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.