Home / 630,980.20-946,470.30-382,148.20

Finding the Fourth Proportional to 630,980.20, 946,470.30 and 382,148.20

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Solution

The fourth proportional to 630,980.20, 946,470.30 and 382,148.20 is: 573,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,980.20 : 946,470.30 = 382,148.20 : x
  2. Step 2: Convert to fraction form
    630,980.20/946,470.30 = 382,148.20/x
  3. Step 3: Cross multiply
    630,980.20x = 946,470.30 × 382,148.20
  4. Step 4: Simplify right side
    630,980.20x = 361,691,921,498.46
  5. Step 5: Solve for x
    x = 361,691,921,498.46/630,980.20
  6. Step 6: Final answer
    x = 573,222.30

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Similar ratio
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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.