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Finding the Fourth Proportional to 497,029.60, 685,908.66 and 270,674.92

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Solution

The fourth proportional to 497,029.60, 685,908.66 and 270,674.92 is: 373,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,029.60 : 685,908.66 = 270,674.92 : x
  2. Step 2: Convert to fraction form
    497,029.60/685,908.66 = 270,674.92/x
  3. Step 3: Cross multiply
    497,029.60x = 685,908.66 × 270,674.92
  4. Step 4: Simplify right side
    497,029.60x = 185,658,271,672.81
  5. Step 5: Solve for x
    x = 185,658,271,672.81/497,029.60
  6. Step 6: Final answer
    x = 373,535.64

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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.