Home / 879,423.60-1,319,135.40-454,270.80

Finding the Fourth Proportional to 879,423.60, 1,319,135.40 and 454,270.80

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Solution

The fourth proportional to 879,423.60, 1,319,135.40 and 454,270.80 is: 681,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,423.60 : 1,319,135.40 = 454,270.80 : x
  2. Step 2: Convert to fraction form
    879,423.60/1,319,135.40 = 454,270.80/x
  3. Step 3: Cross multiply
    879,423.60x = 1,319,135.40 × 454,270.80
  4. Step 4: Simplify right side
    879,423.60x = 599,244,693,466.32
  5. Step 5: Solve for x
    x = 599,244,693,466.32/879,423.60
  6. Step 6: Final answer
    x = 681,406.20

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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.