Home / 862,443.51-1,292,235.12-524,461.80

Finding the Fourth Proportional to 862,443.51, 1,292,235.12 and 524,461.80

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Solution

The fourth proportional to 862,443.51, 1,292,235.12 and 524,461.80 is: 785,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,443.51 : 1,292,235.12 = 524,461.80 : x
  2. Step 2: Convert to fraction form
    862,443.51/1,292,235.12 = 524,461.80/x
  3. Step 3: Cross multiply
    862,443.51x = 1,292,235.12 × 524,461.80
  4. Step 4: Simplify right side
    862,443.51x = 677,727,947,974.93
  5. Step 5: Solve for x
    x = 677,727,947,974.93/862,443.51
  6. Step 6: Final answer
    x = 785,823.01

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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.