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Finding the Fourth Proportional to 484,032.84, 667,830.29 and 290,319.32

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Solution

The fourth proportional to 484,032.84, 667,830.29 and 290,319.32 is: 400,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,032.84 : 667,830.29 = 290,319.32 : x
  2. Step 2: Convert to fraction form
    484,032.84/667,830.29 = 290,319.32/x
  3. Step 3: Cross multiply
    484,032.84x = 667,830.29 × 290,319.32
  4. Step 4: Simplify right side
    484,032.84x = 193,884,030,877.46
  5. Step 5: Solve for x
    x = 193,884,030,877.46/484,032.84
  6. Step 6: Final answer
    x = 400,559.66

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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.