Home / 879,427.98-1,319,219.73-479,897.10

Finding the Fourth Proportional to 879,427.98, 1,319,219.73 and 479,897.10

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Solution

The fourth proportional to 879,427.98, 1,319,219.73 and 479,897.10 is: 719,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,427.98 : 1,319,219.73 = 479,897.10 : x
  2. Step 2: Convert to fraction form
    879,427.98/1,319,219.73 = 479,897.10/x
  3. Step 3: Cross multiply
    879,427.98x = 1,319,219.73 × 479,897.10
  4. Step 4: Simplify right side
    879,427.98x = 633,089,722,689.78
  5. Step 5: Solve for x
    x = 633,089,722,689.78/879,427.98
  6. Step 6: Final answer
    x = 719,888.08

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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.