Home / 742,516.96-1,024,673.82-402,985.22

Finding the Fourth Proportional to 742,516.96, 1,024,673.82 and 402,985.22

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Solution

The fourth proportional to 742,516.96, 1,024,673.82 and 402,985.22 is: 556,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,516.96 : 1,024,673.82 = 402,985.22 : x
  2. Step 2: Convert to fraction form
    742,516.96/1,024,673.82 = 402,985.22/x
  3. Step 3: Cross multiply
    742,516.96x = 1,024,673.82 × 402,985.22
  4. Step 4: Simplify right side
    742,516.96x = 412,928,404,780.94
  5. Step 5: Solve for x
    x = 412,928,404,780.94/742,516.96
  6. Step 6: Final answer
    x = 556,119.83

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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.