Home / 1,208,534.42-1,812,802.08-309,976.08

Finding the Fourth Proportional to 1,208,534.42, 1,812,802.08 and 309,976.08

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Solution

The fourth proportional to 1,208,534.42, 1,812,802.08 and 309,976.08 is: 464,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,534.42 : 1,812,802.08 = 309,976.08 : x
  2. Step 2: Convert to fraction form
    1,208,534.42/1,812,802.08 = 309,976.08/x
  3. Step 3: Cross multiply
    1,208,534.42x = 1,812,802.08 × 309,976.08
  4. Step 4: Simplify right side
    1,208,534.42x = 561,925,282,574.25
  5. Step 5: Solve for x
    x = 561,925,282,574.25/1,208,534.42
  6. Step 6: Final answer
    x = 464,964.24

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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.