Home / 879,781.70-1,319,409.30-458,827.94

Finding the Fourth Proportional to 879,781.70, 1,319,409.30 and 458,827.94

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Solution

The fourth proportional to 879,781.70, 1,319,409.30 and 458,827.94 is: 688,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,781.70 : 1,319,409.30 = 458,827.94 : x
  2. Step 2: Convert to fraction form
    879,781.70/1,319,409.30 = 458,827.94/x
  3. Step 3: Cross multiply
    879,781.70x = 1,319,409.30 × 458,827.94
  4. Step 4: Simplify right side
    879,781.70x = 605,381,851,135.84
  5. Step 5: Solve for x
    x = 605,381,851,135.84/879,781.70
  6. Step 6: Final answer
    x = 688,104.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.