Home / 776,860.52-1,072,169.70-437,394.92

Finding the Fourth Proportional to 776,860.52, 1,072,169.70 and 437,394.92

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Solution

The fourth proportional to 776,860.52, 1,072,169.70 and 437,394.92 is: 603,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,860.52 : 1,072,169.70 = 437,394.92 : x
  2. Step 2: Convert to fraction form
    776,860.52/1,072,169.70 = 437,394.92/x
  3. Step 3: Cross multiply
    776,860.52x = 1,072,169.70 × 437,394.92
  4. Step 4: Simplify right side
    776,860.52x = 468,961,580,157.92
  5. Step 5: Solve for x
    x = 468,961,580,157.92/776,860.52
  6. Step 6: Final answer
    x = 603,662.52

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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.