Home / 688,050.63-1,031,667.15-261,617.64

Finding the Fourth Proportional to 688,050.63, 1,031,667.15 and 261,617.64

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Solution

The fourth proportional to 688,050.63, 1,031,667.15 and 261,617.64 is: 392,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,050.63 : 1,031,667.15 = 261,617.64 : x
  2. Step 2: Convert to fraction form
    688,050.63/1,031,667.15 = 261,617.64/x
  3. Step 3: Cross multiply
    688,050.63x = 1,031,667.15 × 261,617.64
  4. Step 4: Simplify right side
    688,050.63x = 269,902,325,048.53
  5. Step 5: Solve for x
    x = 269,902,325,048.53/688,050.63
  6. Step 6: Final answer
    x = 392,271.02

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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.