Home / 820,563.09-1,131,484.37-533,550.93

Finding the Fourth Proportional to 820,563.09, 1,131,484.37 and 533,550.93

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Solution

The fourth proportional to 820,563.09, 1,131,484.37 and 533,550.93 is: 735,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,563.09 : 1,131,484.37 = 533,550.93 : x
  2. Step 2: Convert to fraction form
    820,563.09/1,131,484.37 = 533,550.93/x
  3. Step 3: Cross multiply
    820,563.09x = 1,131,484.37 × 533,550.93
  4. Step 4: Simplify right side
    820,563.09x = 603,704,537,893.96
  5. Step 5: Solve for x
    x = 603,704,537,893.96/820,563.09
  6. Step 6: Final answer
    x = 735,719.83

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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.