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Finding the Fourth Proportional to 702,973.07, 970,103.36 and 380,683.52

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Solution

The fourth proportional to 702,973.07, 970,103.36 and 380,683.52 is: 525,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,973.07 : 970,103.36 = 380,683.52 : x
  2. Step 2: Convert to fraction form
    702,973.07/970,103.36 = 380,683.52/x
  3. Step 3: Cross multiply
    702,973.07x = 970,103.36 × 380,683.52
  4. Step 4: Simplify right side
    702,973.07x = 369,302,361,848.63
  5. Step 5: Solve for x
    x = 369,302,361,848.63/702,973.07
  6. Step 6: Final answer
    x = 525,343.54

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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.