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Finding the Fourth Proportional to 703,051.16, 970,205.04 and 380,753.84

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Solution

The fourth proportional to 703,051.16, 970,205.04 and 380,753.84 is: 525,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,051.16 : 970,205.04 = 380,753.84 : x
  2. Step 2: Convert to fraction form
    703,051.16/970,205.04 = 380,753.84/x
  3. Step 3: Cross multiply
    703,051.16x = 970,205.04 × 380,753.84
  4. Step 4: Simplify right side
    703,051.16x = 369,409,294,567.35
  5. Step 5: Solve for x
    x = 369,409,294,567.35/703,051.16
  6. Step 6: Final answer
    x = 525,437.29

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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.