Home / 742,076.19-1,024,067.75-402,546.87

Finding the Fourth Proportional to 742,076.19, 1,024,067.75 and 402,546.87

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Solution

The fourth proportional to 742,076.19, 1,024,067.75 and 402,546.87 is: 555,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,076.19 : 1,024,067.75 = 402,546.87 : x
  2. Step 2: Convert to fraction form
    742,076.19/1,024,067.75 = 402,546.87/x
  3. Step 3: Cross multiply
    742,076.19x = 1,024,067.75 × 402,546.87
  4. Step 4: Simplify right side
    742,076.19x = 412,235,265,417.71
  5. Step 5: Solve for x
    x = 412,235,265,417.71/742,076.19
  6. Step 6: Final answer
    x = 555,516.09

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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.