Home / 686,050.57-1,030,018.46-349,317.46

Finding the Fourth Proportional to 686,050.57, 1,030,018.46 and 349,317.46

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Solution

The fourth proportional to 686,050.57, 1,030,018.46 and 349,317.46 is: 524,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,050.57 : 1,030,018.46 = 349,317.46 : x
  2. Step 2: Convert to fraction form
    686,050.57/1,030,018.46 = 349,317.46/x
  3. Step 3: Cross multiply
    686,050.57x = 1,030,018.46 × 349,317.46
  4. Step 4: Simplify right side
    686,050.57x = 359,803,432,200.31
  5. Step 5: Solve for x
    x = 359,803,432,200.31/686,050.57
  6. Step 6: Final answer
    x = 524,456.14

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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.