Home / 718,596.90-1,077,506.55-297,915.30

Finding the Fourth Proportional to 718,596.90, 1,077,506.55 and 297,915.30

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Solution

The fourth proportional to 718,596.90, 1,077,506.55 and 297,915.30 is: 446,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,596.90 : 1,077,506.55 = 297,915.30 : x
  2. Step 2: Convert to fraction form
    718,596.90/1,077,506.55 = 297,915.30/x
  3. Step 3: Cross multiply
    718,596.90x = 1,077,506.55 × 297,915.30
  4. Step 4: Simplify right side
    718,596.90x = 321,005,687,095.22
  5. Step 5: Solve for x
    x = 321,005,687,095.22/718,596.90
  6. Step 6: Final answer
    x = 446,711.76

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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.