Home / 705,603.47-1,058,342.76-256,328.19

Finding the Fourth Proportional to 705,603.47, 1,058,342.76 and 256,328.19

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Solution

The fourth proportional to 705,603.47, 1,058,342.76 and 256,328.19 is: 384,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,603.47 : 1,058,342.76 = 256,328.19 : x
  2. Step 2: Convert to fraction form
    705,603.47/1,058,342.76 = 256,328.19/x
  3. Step 3: Cross multiply
    705,603.47x = 1,058,342.76 × 256,328.19
  4. Step 4: Simplify right side
    705,603.47x = 271,283,084,070.40
  5. Step 5: Solve for x
    x = 271,283,084,070.40/705,603.47
  6. Step 6: Final answer
    x = 384,469.60

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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.