Home / 847,512.10-1,270,603.50-398,001.61

Finding the Fourth Proportional to 847,512.10, 1,270,603.50 and 398,001.61

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Solution

The fourth proportional to 847,512.10, 1,270,603.50 and 398,001.61 is: 596,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,512.10 : 1,270,603.50 = 398,001.61 : x
  2. Step 2: Convert to fraction form
    847,512.10/1,270,603.50 = 398,001.61/x
  3. Step 3: Cross multiply
    847,512.10x = 1,270,603.50 × 398,001.61
  4. Step 4: Simplify right side
    847,512.10x = 505,702,238,671.64
  5. Step 5: Solve for x
    x = 505,702,238,671.64/847,512.10
  6. Step 6: Final answer
    x = 596,690.29

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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.