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Finding the Fourth Proportional to 862,348, 1,292,541.07 and 524,644.25

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Solution

The fourth proportional to 862,348, 1,292,541.07 and 524,644.25 is: 786,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,348 : 1,292,541.07 = 524,644.25 : x
  2. Step 2: Convert to fraction form
    862,348/1,292,541.07 = 524,644.25/x
  3. Step 3: Cross multiply
    862,348x = 1,292,541.07 × 524,644.25
  4. Step 4: Simplify right side
    862,348x = 678,124,240,264.35
  5. Step 5: Solve for x
    x = 678,124,240,264.35/862,348
  6. Step 6: Final answer
    x = 786,369.59

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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.