Home / 687,372.85-1,030,813.24-237,973.06

Finding the Fourth Proportional to 687,372.85, 1,030,813.24 and 237,973.06

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Solution

The fourth proportional to 687,372.85, 1,030,813.24 and 237,973.06 is: 356,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,372.85 : 1,030,813.24 = 237,973.06 : x
  2. Step 2: Convert to fraction form
    687,372.85/1,030,813.24 = 237,973.06/x
  3. Step 3: Cross multiply
    687,372.85x = 1,030,813.24 × 237,973.06
  4. Step 4: Simplify right side
    687,372.85x = 245,305,776,352.77
  5. Step 5: Solve for x
    x = 245,305,776,352.77/687,372.85
  6. Step 6: Final answer
    x = 356,874.40

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1.5x scale

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.