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Finding the Fourth Proportional to 703,263.72, 970,508.60 and 380,973.58

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Solution

The fourth proportional to 703,263.72, 970,508.60 and 380,973.58 is: 525,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,263.72 : 970,508.60 = 380,973.58 : x
  2. Step 2: Convert to fraction form
    703,263.72/970,508.60 = 380,973.58/x
  3. Step 3: Cross multiply
    703,263.72x = 970,508.60 × 380,973.58
  4. Step 4: Simplify right side
    703,263.72x = 369,738,135,762.79
  5. Step 5: Solve for x
    x = 369,738,135,762.79/703,263.72
  6. Step 6: Final answer
    x = 525,746.07

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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.