Home / 839,088.09-1,258,663.31-270,477.39

Finding the Fourth Proportional to 839,088.09, 1,258,663.31 and 270,477.39

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Solution

The fourth proportional to 839,088.09, 1,258,663.31 and 270,477.39 is: 405,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,088.09 : 1,258,663.31 = 270,477.39 : x
  2. Step 2: Convert to fraction form
    839,088.09/1,258,663.31 = 270,477.39/x
  3. Step 3: Cross multiply
    839,088.09x = 1,258,663.31 × 270,477.39
  4. Step 4: Simplify right side
    839,088.09x = 340,439,971,359.45
  5. Step 5: Solve for x
    x = 340,439,971,359.45/839,088.09
  6. Step 6: Final answer
    x = 405,726.14

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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.