Home / 607,941.42-839,074.86-400,845.48

Finding the Fourth Proportional to 607,941.42, 839,074.86 and 400,845.48

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Solution

The fourth proportional to 607,941.42, 839,074.86 and 400,845.48 is: 553,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,941.42 : 839,074.86 = 400,845.48 : x
  2. Step 2: Convert to fraction form
    607,941.42/839,074.86 = 400,845.48/x
  3. Step 3: Cross multiply
    607,941.42x = 839,074.86 × 400,845.48
  4. Step 4: Simplify right side
    607,941.42x = 336,339,365,012.63
  5. Step 5: Solve for x
    x = 336,339,365,012.63/607,941.42
  6. Step 6: Final answer
    x = 553,243.05

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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.