Home / 497,477.45-686,521.15-282,629.30

Finding the Fourth Proportional to 497,477.45, 686,521.15 and 282,629.30

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Solution

The fourth proportional to 497,477.45, 686,521.15 and 282,629.30 is: 390,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,477.45 : 686,521.15 = 282,629.30 : x
  2. Step 2: Convert to fraction form
    497,477.45/686,521.15 = 282,629.30/x
  3. Step 3: Cross multiply
    497,477.45x = 686,521.15 × 282,629.30
  4. Step 4: Simplify right side
    497,477.45x = 194,030,993,371.99
  5. Step 5: Solve for x
    x = 194,030,993,371.99/497,477.45
  6. Step 6: Final answer
    x = 390,029.73

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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.