Home / 839,389.24-1,258,167.54-413,218.36

Finding the Fourth Proportional to 839,389.24, 1,258,167.54 and 413,218.36

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Solution

The fourth proportional to 839,389.24, 1,258,167.54 and 413,218.36 is: 619,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,389.24 : 1,258,167.54 = 413,218.36 : x
  2. Step 2: Convert to fraction form
    839,389.24/1,258,167.54 = 413,218.36/x
  3. Step 3: Cross multiply
    839,389.24x = 1,258,167.54 × 413,218.36
  4. Step 4: Simplify right side
    839,389.24x = 519,897,927,484.03
  5. Step 5: Solve for x
    x = 519,897,927,484.03/839,389.24
  6. Step 6: Final answer
    x = 619,376.45

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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.