Home / 736,133.28-1,104,628.08-309,637.92

Finding the Fourth Proportional to 736,133.28, 1,104,628.08 and 309,637.92

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Solution

The fourth proportional to 736,133.28, 1,104,628.08 and 309,637.92 is: 464,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,133.28 : 1,104,628.08 = 309,637.92 : x
  2. Step 2: Convert to fraction form
    736,133.28/1,104,628.08 = 309,637.92/x
  3. Step 3: Cross multiply
    736,133.28x = 1,104,628.08 × 309,637.92
  4. Step 4: Simplify right side
    736,133.28x = 342,034,741,064.79
  5. Step 5: Solve for x
    x = 342,034,741,064.79/736,133.28
  6. Step 6: Final answer
    x = 464,636.98

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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.