Home / 832,458.04-1,248,181.40-326,412.73

Finding the Fourth Proportional to 832,458.04, 1,248,181.40 and 326,412.73

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Solution

The fourth proportional to 832,458.04, 1,248,181.40 and 326,412.73 is: 489,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,458.04 : 1,248,181.40 = 326,412.73 : x
  2. Step 2: Convert to fraction form
    832,458.04/1,248,181.40 = 326,412.73/x
  3. Step 3: Cross multiply
    832,458.04x = 1,248,181.40 × 326,412.73
  4. Step 4: Simplify right side
    832,458.04x = 407,422,298,309.22
  5. Step 5: Solve for x
    x = 407,422,298,309.22/832,458.04
  6. Step 6: Final answer
    x = 489,420.82

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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.