Home / 717,245.31-1,075,368.60-317,669.47

Finding the Fourth Proportional to 717,245.31, 1,075,368.60 and 317,669.47

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Solution

The fourth proportional to 717,245.31, 1,075,368.60 and 317,669.47 is: 476,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,245.31 : 1,075,368.60 = 317,669.47 : x
  2. Step 2: Convert to fraction form
    717,245.31/1,075,368.60 = 317,669.47/x
  3. Step 3: Cross multiply
    717,245.31x = 1,075,368.60 × 317,669.47
  4. Step 4: Simplify right side
    717,245.31x = 341,611,773,216.64
  5. Step 5: Solve for x
    x = 341,611,773,216.64/717,245.31
  6. Step 6: Final answer
    x = 476,283.04

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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.