Home / 839,509.05-1,258,892.06-240,333.69

Finding the Fourth Proportional to 839,509.05, 1,258,892.06 and 240,333.69

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Solution

The fourth proportional to 839,509.05, 1,258,892.06 and 240,333.69 is: 360,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,509.05 : 1,258,892.06 = 240,333.69 : x
  2. Step 2: Convert to fraction form
    839,509.05/1,258,892.06 = 240,333.69/x
  3. Step 3: Cross multiply
    839,509.05x = 1,258,892.06 × 240,333.69
  4. Step 4: Simplify right side
    839,509.05x = 302,554,172,889.83
  5. Step 5: Solve for x
    x = 302,554,172,889.83/839,509.05
  6. Step 6: Final answer
    x = 360,394.18

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Double scale
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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.