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Finding the Fourth Proportional to 660,426.02, 911,388.45 and 373,946.56

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Solution

The fourth proportional to 660,426.02, 911,388.45 and 373,946.56 is: 516,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,426.02 : 911,388.45 = 373,946.56 : x
  2. Step 2: Convert to fraction form
    660,426.02/911,388.45 = 373,946.56/x
  3. Step 3: Cross multiply
    660,426.02x = 911,388.45 × 373,946.56
  4. Step 4: Simplify right side
    660,426.02x = 340,810,575,701.23
  5. Step 5: Solve for x
    x = 340,810,575,701.23/660,426.02
  6. Step 6: Final answer
    x = 516,046.56

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1.5x scale

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.