Home / 943,106.42-1,301,487-513,389.82

Finding the Fourth Proportional to 943,106.42, 1,301,487 and 513,389.82

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Solution

The fourth proportional to 943,106.42, 1,301,487 and 513,389.82 is: 708,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,106.42 : 1,301,487 = 513,389.82 : x
  2. Step 2: Convert to fraction form
    943,106.42/1,301,487 = 513,389.82/x
  3. Step 3: Cross multiply
    943,106.42x = 1,301,487 × 513,389.82
  4. Step 4: Simplify right side
    943,106.42x = 668,170,176,662.34
  5. Step 5: Solve for x
    x = 668,170,176,662.34/943,106.42
  6. Step 6: Final answer
    x = 708,478.03

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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.