Home / 842,513.06-1,263,769.59-281,547.56

Finding the Fourth Proportional to 842,513.06, 1,263,769.59 and 281,547.56

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Solution

The fourth proportional to 842,513.06, 1,263,769.59 and 281,547.56 is: 422,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,513.06 : 1,263,769.59 = 281,547.56 : x
  2. Step 2: Convert to fraction form
    842,513.06/1,263,769.59 = 281,547.56/x
  3. Step 3: Cross multiply
    842,513.06x = 1,263,769.59 × 281,547.56
  4. Step 4: Simplify right side
    842,513.06x = 355,811,248,681.93
  5. Step 5: Solve for x
    x = 355,811,248,681.93/842,513.06
  6. Step 6: Final answer
    x = 422,321.34

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1.5x scale

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.