Home / 742,588.14-1,112,384.04-342,673.32

Finding the Fourth Proportional to 742,588.14, 1,112,384.04 and 342,673.32

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Solution

The fourth proportional to 742,588.14, 1,112,384.04 and 342,673.32 is: 513,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,588.14 : 1,112,384.04 = 342,673.32 : x
  2. Step 2: Convert to fraction form
    742,588.14/1,112,384.04 = 342,673.32/x
  3. Step 3: Cross multiply
    742,588.14x = 1,112,384.04 × 342,673.32
  4. Step 4: Simplify right side
    742,588.14x = 381,184,332,101.81
  5. Step 5: Solve for x
    x = 381,184,332,101.81/742,588.14
  6. Step 6: Final answer
    x = 513,318.64

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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.