Home / 497,254.70-686,031.48-325,270.85

Finding the Fourth Proportional to 497,254.70, 686,031.48 and 325,270.85

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Solution

The fourth proportional to 497,254.70, 686,031.48 and 325,270.85 is: 448,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,254.70 : 686,031.48 = 325,270.85 : x
  2. Step 2: Convert to fraction form
    497,254.70/686,031.48 = 325,270.85/x
  3. Step 3: Cross multiply
    497,254.70x = 686,031.48 × 325,270.85
  4. Step 4: Simplify right side
    497,254.70x = 223,146,039,196.20
  5. Step 5: Solve for x
    x = 223,146,039,196.20/497,254.70
  6. Step 6: Final answer
    x = 448,756.02

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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.