Home / 943,445.88-1,301,970.84-513,734.40

Finding the Fourth Proportional to 943,445.88, 1,301,970.84 and 513,734.40

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Solution

The fourth proportional to 943,445.88, 1,301,970.84 and 513,734.40 is: 708,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,445.88 : 1,301,970.84 = 513,734.40 : x
  2. Step 2: Convert to fraction form
    943,445.88/1,301,970.84 = 513,734.40/x
  3. Step 3: Cross multiply
    943,445.88x = 1,301,970.84 × 513,734.40
  4. Step 4: Simplify right side
    943,445.88x = 668,867,208,304.90
  5. Step 5: Solve for x
    x = 668,867,208,304.90/943,445.88
  6. Step 6: Final answer
    x = 708,961.93

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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.