Home / 839,903.40-1,259,855.10-524,975.40

Finding the Fourth Proportional to 839,903.40, 1,259,855.10 and 524,975.40

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Solution

The fourth proportional to 839,903.40, 1,259,855.10 and 524,975.40 is: 787,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,903.40 : 1,259,855.10 = 524,975.40 : x
  2. Step 2: Convert to fraction form
    839,903.40/1,259,855.10 = 524,975.40/x
  3. Step 3: Cross multiply
    839,903.40x = 1,259,855.10 × 524,975.40
  4. Step 4: Simplify right side
    839,903.40x = 661,392,935,064.54
  5. Step 5: Solve for x
    x = 661,392,935,064.54/839,903.40
  6. Step 6: Final answer
    x = 787,463.10

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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.