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Finding the Fourth Proportional to 630,987.60, 946,481.40 and 606,493.20

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Solution

The fourth proportional to 630,987.60, 946,481.40 and 606,493.20 is: 909,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,987.60 : 946,481.40 = 606,493.20 : x
  2. Step 2: Convert to fraction form
    630,987.60/946,481.40 = 606,493.20/x
  3. Step 3: Cross multiply
    630,987.60x = 946,481.40 × 606,493.20
  4. Step 4: Simplify right side
    630,987.60x = 574,034,533,026.48
  5. Step 5: Solve for x
    x = 574,034,533,026.48/630,987.60
  6. Step 6: Final answer
    x = 909,739.80

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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.