Home / 943,140.80-1,301,494.48-513,412

Finding the Fourth Proportional to 943,140.80, 1,301,494.48 and 513,412

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Solution

The fourth proportional to 943,140.80, 1,301,494.48 and 513,412 is: 708,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,140.80 : 1,301,494.48 = 513,412 : x
  2. Step 2: Convert to fraction form
    943,140.80/1,301,494.48 = 513,412/x
  3. Step 3: Cross multiply
    943,140.80x = 1,301,494.48 × 513,412
  4. Step 4: Simplify right side
    943,140.80x = 668,202,883,965.76
  5. Step 5: Solve for x
    x = 668,202,883,965.76/943,140.80
  6. Step 6: Final answer
    x = 708,486.88

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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.