Home / 742,383.04-1,024,491.39-402,851.32

Finding the Fourth Proportional to 742,383.04, 1,024,491.39 and 402,851.32

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Solution

The fourth proportional to 742,383.04, 1,024,491.39 and 402,851.32 is: 555,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,383.04 : 1,024,491.39 = 402,851.32 : x
  2. Step 2: Convert to fraction form
    742,383.04/1,024,491.39 = 402,851.32/x
  3. Step 3: Cross multiply
    742,383.04x = 1,024,491.39 × 402,851.32
  4. Step 4: Simplify right side
    742,383.04x = 412,717,708,790.14
  5. Step 5: Solve for x
    x = 412,717,708,790.14/742,383.04
  6. Step 6: Final answer
    x = 555,936.34

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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.