Home / 607,943.42-839,077.62-400,847.48

Finding the Fourth Proportional to 607,943.42, 839,077.62 and 400,847.48

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Solution

The fourth proportional to 607,943.42, 839,077.62 and 400,847.48 is: 553,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,943.42 : 839,077.62 = 400,847.48 : x
  2. Step 2: Convert to fraction form
    607,943.42/839,077.62 = 400,847.48/x
  3. Step 3: Cross multiply
    607,943.42x = 839,077.62 × 400,847.48
  4. Step 4: Simplify right side
    607,943.42x = 336,342,149,501.40
  5. Step 5: Solve for x
    x = 336,342,149,501.40/607,943.42
  6. Step 6: Final answer
    x = 553,245.81

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1.5x scale

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.