Home / 742,432.44-1,024,556.73-402,900.69

Finding the Fourth Proportional to 742,432.44, 1,024,556.73 and 402,900.69

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Solution

The fourth proportional to 742,432.44, 1,024,556.73 and 402,900.69 is: 556,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,432.44 : 1,024,556.73 = 402,900.69 : x
  2. Step 2: Convert to fraction form
    742,432.44/1,024,556.73 = 402,900.69/x
  3. Step 3: Cross multiply
    742,432.44x = 1,024,556.73 × 402,900.69
  4. Step 4: Simplify right side
    742,432.44x = 412,794,613,461.14
  5. Step 5: Solve for x
    x = 412,794,613,461.14/742,432.44
  6. Step 6: Final answer
    x = 556,002.93

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Double scale
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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.