Home / 879,428.80-1,319,580.60-346,967.20

Finding the Fourth Proportional to 879,428.80, 1,319,580.60 and 346,967.20

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Solution

The fourth proportional to 879,428.80, 1,319,580.60 and 346,967.20 is: 520,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,428.80 : 1,319,580.60 = 346,967.20 : x
  2. Step 2: Convert to fraction form
    879,428.80/1,319,580.60 = 346,967.20/x
  3. Step 3: Cross multiply
    879,428.80x = 1,319,580.60 × 346,967.20
  4. Step 4: Simplify right side
    879,428.80x = 457,851,185,956.32
  5. Step 5: Solve for x
    x = 457,851,185,956.32/879,428.80
  6. Step 6: Final answer
    x = 520,623.37

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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.