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Finding the Fourth Proportional to 706,572.42, 975,109.79 and 384,276.05

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Solution

The fourth proportional to 706,572.42, 975,109.79 and 384,276.05 is: 530,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,572.42 : 975,109.79 = 384,276.05 : x
  2. Step 2: Convert to fraction form
    706,572.42/975,109.79 = 384,276.05/x
  3. Step 3: Cross multiply
    706,572.42x = 975,109.79 × 384,276.05
  4. Step 4: Simplify right side
    706,572.42x = 374,711,338,159.33
  5. Step 5: Solve for x
    x = 374,711,338,159.33/706,572.42
  6. Step 6: Final answer
    x = 530,322.62

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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.