Home / 776,867.02-1,072,178.68-437,401.42

Finding the Fourth Proportional to 776,867.02, 1,072,178.68 and 437,401.42

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Solution

The fourth proportional to 776,867.02, 1,072,178.68 and 437,401.42 is: 603,671.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,867.02 : 1,072,178.68 = 437,401.42 : x
  2. Step 2: Convert to fraction form
    776,867.02/1,072,178.68 = 437,401.42/x
  3. Step 3: Cross multiply
    776,867.02x = 1,072,178.68 × 437,401.42
  4. Step 4: Simplify right side
    776,867.02x = 468,972,477,125.73
  5. Step 5: Solve for x
    x = 468,972,477,125.73/776,867.02
  6. Step 6: Final answer
    x = 603,671.50

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Double scale
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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.