Home / 717,428.12-1,075,768.50-267,779.18

Finding the Fourth Proportional to 717,428.12, 1,075,768.50 and 267,779.18

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Solution

The fourth proportional to 717,428.12, 1,075,768.50 and 267,779.18 is: 401,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,428.12 : 1,075,768.50 = 267,779.18 : x
  2. Step 2: Convert to fraction form
    717,428.12/1,075,768.50 = 267,779.18/x
  3. Step 3: Cross multiply
    717,428.12x = 1,075,768.50 × 267,779.18
  4. Step 4: Simplify right side
    717,428.12x = 288,068,406,799.83
  5. Step 5: Solve for x
    x = 288,068,406,799.83/717,428.12
  6. Step 6: Final answer
    x = 401,529.29

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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.