Home / 983,452.16-1,474,424.93-309,143.36

Finding the Fourth Proportional to 983,452.16, 1,474,424.93 and 309,143.36

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Solution

The fourth proportional to 983,452.16, 1,474,424.93 and 309,143.36 is: 463,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,452.16 : 1,474,424.93 = 309,143.36 : x
  2. Step 2: Convert to fraction form
    983,452.16/1,474,424.93 = 309,143.36/x
  3. Step 3: Cross multiply
    983,452.16x = 1,474,424.93 × 309,143.36
  4. Step 4: Simplify right side
    983,452.16x = 455,808,668,010.12
  5. Step 5: Solve for x
    x = 455,808,668,010.12/983,452.16
  6. Step 6: Final answer
    x = 463,478.23

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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.