Home / 879,244.80-1,319,304.60-346,783.20

Finding the Fourth Proportional to 879,244.80, 1,319,304.60 and 346,783.20

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Solution

The fourth proportional to 879,244.80, 1,319,304.60 and 346,783.20 is: 520,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,244.80 : 1,319,304.60 = 346,783.20 : x
  2. Step 2: Convert to fraction form
    879,244.80/1,319,304.60 = 346,783.20/x
  3. Step 3: Cross multiply
    879,244.80x = 1,319,304.60 × 346,783.20
  4. Step 4: Simplify right side
    879,244.80x = 457,512,670,962.72
  5. Step 5: Solve for x
    x = 457,512,670,962.72/879,244.80
  6. Step 6: Final answer
    x = 520,347.32

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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.