Home / 686,705.18-1,030,012.65-237,321.50

Finding the Fourth Proportional to 686,705.18, 1,030,012.65 and 237,321.50

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Solution

The fourth proportional to 686,705.18, 1,030,012.65 and 237,321.50 is: 355,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,705.18 : 1,030,012.65 = 237,321.50 : x
  2. Step 2: Convert to fraction form
    686,705.18/1,030,012.65 = 237,321.50/x
  3. Step 3: Cross multiply
    686,705.18x = 1,030,012.65 × 237,321.50
  4. Step 4: Simplify right side
    686,705.18x = 244,444,147,116.98
  5. Step 5: Solve for x
    x = 244,444,147,116.98/686,705.18
  6. Step 6: Final answer
    x = 355,966.66

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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.