Home / 705,894.12-973,463.40-464,381.28

Finding the Fourth Proportional to 705,894.12, 973,463.40 and 464,381.28

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Solution

The fourth proportional to 705,894.12, 973,463.40 and 464,381.28 is: 640,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,894.12 : 973,463.40 = 464,381.28 : x
  2. Step 2: Convert to fraction form
    705,894.12/973,463.40 = 464,381.28/x
  3. Step 3: Cross multiply
    705,894.12x = 973,463.40 × 464,381.28
  4. Step 4: Simplify right side
    705,894.12x = 452,058,179,725.15
  5. Step 5: Solve for x
    x = 452,058,179,725.15/705,894.12
  6. Step 6: Final answer
    x = 640,405.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.