Home / 511,075.92-704,899.08-480,939.60

Finding the Fourth Proportional to 511,075.92, 704,899.08 and 480,939.60

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Solution

The fourth proportional to 511,075.92, 704,899.08 and 480,939.60 is: 663,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,075.92 : 704,899.08 = 480,939.60 : x
  2. Step 2: Convert to fraction form
    511,075.92/704,899.08 = 480,939.60/x
  3. Step 3: Cross multiply
    511,075.92x = 704,899.08 × 480,939.60
  4. Step 4: Simplify right side
    511,075.92x = 339,013,881,575.57
  5. Step 5: Solve for x
    x = 339,013,881,575.57/511,075.92
  6. Step 6: Final answer
    x = 663,333.70

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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.