Home / 830,352.84-1,145,881.76-467,893.50

Finding the Fourth Proportional to 830,352.84, 1,145,881.76 and 467,893.50

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Solution

The fourth proportional to 830,352.84, 1,145,881.76 and 467,893.50 is: 645,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,352.84 : 1,145,881.76 = 467,893.50 : x
  2. Step 2: Convert to fraction form
    830,352.84/1,145,881.76 = 467,893.50/x
  3. Step 3: Cross multiply
    830,352.84x = 1,145,881.76 × 467,893.50
  4. Step 4: Simplify right side
    830,352.84x = 536,150,627,272.56
  5. Step 5: Solve for x
    x = 536,150,627,272.56/830,352.84
  6. Step 6: Final answer
    x = 645,690.12

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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.