Home / 692,075.10-1,036,994.85-391,662.30

Finding the Fourth Proportional to 692,075.10, 1,036,994.85 and 391,662.30

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Solution

The fourth proportional to 692,075.10, 1,036,994.85 and 391,662.30 is: 586,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,075.10 : 1,036,994.85 = 391,662.30 : x
  2. Step 2: Convert to fraction form
    692,075.10/1,036,994.85 = 391,662.30/x
  3. Step 3: Cross multiply
    692,075.10x = 1,036,994.85 × 391,662.30
  4. Step 4: Simplify right side
    692,075.10x = 406,151,788,039.16
  5. Step 5: Solve for x
    x = 406,151,788,039.16/692,075.10
  6. Step 6: Final answer
    x = 586,860.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.