Home / 742,503.26-1,024,654.93-402,971.51

Finding the Fourth Proportional to 742,503.26, 1,024,654.93 and 402,971.51

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Solution

The fourth proportional to 742,503.26, 1,024,654.93 and 402,971.51 is: 556,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,503.26 : 1,024,654.93 = 402,971.51 : x
  2. Step 2: Convert to fraction form
    742,503.26/1,024,654.93 = 402,971.51/x
  3. Step 3: Cross multiply
    742,503.26x = 1,024,654.93 × 402,971.51
  4. Step 4: Simplify right side
    742,503.26x = 412,906,747,495.74
  5. Step 5: Solve for x
    x = 412,906,747,495.74/742,503.26
  6. Step 6: Final answer
    x = 556,100.92

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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.