Home / 862,985.04-1,295,053.44-302,019.60

Finding the Fourth Proportional to 862,985.04, 1,295,053.44 and 302,019.60

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Solution

The fourth proportional to 862,985.04, 1,295,053.44 and 302,019.60 is: 453,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,985.04 : 1,295,053.44 = 302,019.60 : x
  2. Step 2: Convert to fraction form
    862,985.04/1,295,053.44 = 302,019.60/x
  3. Step 3: Cross multiply
    862,985.04x = 1,295,053.44 × 302,019.60
  4. Step 4: Simplify right side
    862,985.04x = 391,131,521,927.42
  5. Step 5: Solve for x
    x = 391,131,521,927.42/862,985.04
  6. Step 6: Final answer
    x = 453,230.94

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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.