Home / 776,828.96-1,072,044.24-437,309.60

Finding the Fourth Proportional to 776,828.96, 1,072,044.24 and 437,309.60

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Solution

The fourth proportional to 776,828.96, 1,072,044.24 and 437,309.60 is: 603,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,828.96 : 1,072,044.24 = 437,309.60 : x
  2. Step 2: Convert to fraction form
    776,828.96/1,072,044.24 = 437,309.60/x
  3. Step 3: Cross multiply
    776,828.96x = 1,072,044.24 × 437,309.60
  4. Step 4: Simplify right side
    776,828.96x = 468,815,237,776.70
  5. Step 5: Solve for x
    x = 468,815,237,776.70/776,828.96
  6. Step 6: Final answer
    x = 603,498.66

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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.