Home / 744,270.80-1,116,665.40-323,848.40

Finding the Fourth Proportional to 744,270.80, 1,116,665.40 and 323,848.40

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Solution

The fourth proportional to 744,270.80, 1,116,665.40 and 323,848.40 is: 485,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,270.80 : 1,116,665.40 = 323,848.40 : x
  2. Step 2: Convert to fraction form
    744,270.80/1,116,665.40 = 323,848.40/x
  3. Step 3: Cross multiply
    744,270.80x = 1,116,665.40 × 323,848.40
  4. Step 4: Simplify right side
    744,270.80x = 361,630,303,125.36
  5. Step 5: Solve for x
    x = 361,630,303,125.36/744,270.80
  6. Step 6: Final answer
    x = 485,885.38

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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.