Home / 717,416.87-1,075,387.19-318,245.63

Finding the Fourth Proportional to 717,416.87, 1,075,387.19 and 318,245.63

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Solution

The fourth proportional to 717,416.87, 1,075,387.19 and 318,245.63 is: 477,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,416.87 : 1,075,387.19 = 318,245.63 : x
  2. Step 2: Convert to fraction form
    717,416.87/1,075,387.19 = 318,245.63/x
  3. Step 3: Cross multiply
    717,416.87x = 1,075,387.19 × 318,245.63
  4. Step 4: Simplify right side
    717,416.87x = 342,237,266,807.32
  5. Step 5: Solve for x
    x = 342,237,266,807.32/717,416.87
  6. Step 6: Final answer
    x = 477,041.01

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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.