Home / 742,487.94-1,024,633.89-402,956.19

Finding the Fourth Proportional to 742,487.94, 1,024,633.89 and 402,956.19

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Solution

The fourth proportional to 742,487.94, 1,024,633.89 and 402,956.19 is: 556,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,487.94 : 1,024,633.89 = 402,956.19 : x
  2. Step 2: Convert to fraction form
    742,487.94/1,024,633.89 = 402,956.19/x
  3. Step 3: Cross multiply
    742,487.94x = 1,024,633.89 × 402,956.19
  4. Step 4: Simplify right side
    742,487.94x = 412,882,568,459.28
  5. Step 5: Solve for x
    x = 412,882,568,459.28/742,487.94
  6. Step 6: Final answer
    x = 556,079.83

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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.