Home / 742,360.54-1,024,460.36-402,828.79

Finding the Fourth Proportional to 742,360.54, 1,024,460.36 and 402,828.79

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Solution

The fourth proportional to 742,360.54, 1,024,460.36 and 402,828.79 is: 555,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,360.54 : 1,024,460.36 = 402,828.79 : x
  2. Step 2: Convert to fraction form
    742,360.54/1,024,460.36 = 402,828.79/x
  3. Step 3: Cross multiply
    742,360.54x = 1,024,460.36 × 402,828.79
  4. Step 4: Simplify right side
    742,360.54x = 412,682,127,221.76
  5. Step 5: Solve for x
    x = 412,682,127,221.76/742,360.54
  6. Step 6: Final answer
    x = 555,905.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.