Home / 879,248.80-1,319,310.60-346,787.20

Finding the Fourth Proportional to 879,248.80, 1,319,310.60 and 346,787.20

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Solution

The fourth proportional to 879,248.80, 1,319,310.60 and 346,787.20 is: 520,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,248.80 : 1,319,310.60 = 346,787.20 : x
  2. Step 2: Convert to fraction form
    879,248.80/1,319,310.60 = 346,787.20/x
  3. Step 3: Cross multiply
    879,248.80x = 1,319,310.60 × 346,787.20
  4. Step 4: Simplify right side
    879,248.80x = 457,520,028,904.32
  5. Step 5: Solve for x
    x = 457,520,028,904.32/879,248.80
  6. Step 6: Final answer
    x = 520,353.32

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1.5x scale

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.