Home / 718,805.85-1,075,965.08-529,479.69

Finding the Fourth Proportional to 718,805.85, 1,075,965.08 and 529,479.69

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Solution

The fourth proportional to 718,805.85, 1,075,965.08 and 529,479.69 is: 792,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,805.85 : 1,075,965.08 = 529,479.69 : x
  2. Step 2: Convert to fraction form
    718,805.85/1,075,965.08 = 529,479.69/x
  3. Step 3: Cross multiply
    718,805.85x = 1,075,965.08 × 529,479.69
  4. Step 4: Simplify right side
    718,805.85x = 569,701,654,361.83
  5. Step 5: Solve for x
    x = 569,701,654,361.83/718,805.85
  6. Step 6: Final answer
    x = 792,566.80

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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.