Home / 688,040.64-1,031,592.48-350,251.20

Finding the Fourth Proportional to 688,040.64, 1,031,592.48 and 350,251.20

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Solution

The fourth proportional to 688,040.64, 1,031,592.48 and 350,251.20 is: 525,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,040.64 : 1,031,592.48 = 350,251.20 : x
  2. Step 2: Convert to fraction form
    688,040.64/1,031,592.48 = 350,251.20/x
  3. Step 3: Cross multiply
    688,040.64x = 1,031,592.48 × 350,251.20
  4. Step 4: Simplify right side
    688,040.64x = 361,316,504,030.98
  5. Step 5: Solve for x
    x = 361,316,504,030.98/688,040.64
  6. Step 6: Final answer
    x = 525,138.32

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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.