Home / 552,657.20-828,985.80-384,695.60

Finding the Fourth Proportional to 552,657.20, 828,985.80 and 384,695.60

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Solution

The fourth proportional to 552,657.20, 828,985.80 and 384,695.60 is: 577,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,657.20 : 828,985.80 = 384,695.60 : x
  2. Step 2: Convert to fraction form
    552,657.20/828,985.80 = 384,695.60/x
  3. Step 3: Cross multiply
    552,657.20x = 828,985.80 × 384,695.60
  4. Step 4: Simplify right side
    552,657.20x = 318,907,189,722.48
  5. Step 5: Solve for x
    x = 318,907,189,722.48/552,657.20
  6. Step 6: Final answer
    x = 577,043.40

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Similar ratio
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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.