Home / 879,929.60-1,319,635.20-347,273.60

Finding the Fourth Proportional to 879,929.60, 1,319,635.20 and 347,273.60

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Solution

The fourth proportional to 879,929.60, 1,319,635.20 and 347,273.60 is: 520,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,929.60 : 1,319,635.20 = 347,273.60 : x
  2. Step 2: Convert to fraction form
    879,929.60/1,319,635.20 = 347,273.60/x
  3. Step 3: Cross multiply
    879,929.60x = 1,319,635.20 × 347,273.60
  4. Step 4: Simplify right side
    879,929.60x = 458,274,466,590.72
  5. Step 5: Solve for x
    x = 458,274,466,590.72/879,929.60
  6. Step 6: Final answer
    x = 520,808.10

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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.