Home / 687,973.95-949,853.70-446,943.48

Finding the Fourth Proportional to 687,973.95, 949,853.70 and 446,943.48

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Solution

The fourth proportional to 687,973.95, 949,853.70 and 446,943.48 is: 617,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,973.95 : 949,853.70 = 446,943.48 : x
  2. Step 2: Convert to fraction form
    687,973.95/949,853.70 = 446,943.48/x
  3. Step 3: Cross multiply
    687,973.95x = 949,853.70 × 446,943.48
  4. Step 4: Simplify right side
    687,973.95x = 424,530,918,168.88
  5. Step 5: Solve for x
    x = 424,530,918,168.88/687,973.95
  6. Step 6: Final answer
    x = 617,074.12

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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.