Home / 879,783.12-1,319,506.20-374,622.48

Finding the Fourth Proportional to 879,783.12, 1,319,506.20 and 374,622.48

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Solution

The fourth proportional to 879,783.12, 1,319,506.20 and 374,622.48 is: 561,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,783.12 : 1,319,506.20 = 374,622.48 : x
  2. Step 2: Convert to fraction form
    879,783.12/1,319,506.20 = 374,622.48/x
  3. Step 3: Cross multiply
    879,783.12x = 1,319,506.20 × 374,622.48
  4. Step 4: Simplify right side
    879,783.12x = 494,316,685,019.38
  5. Step 5: Solve for x
    x = 494,316,685,019.38/879,783.12
  6. Step 6: Final answer
    x = 561,861.98

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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.