Home / 708,860.25-1,063,782.90-288,136.53

Finding the Fourth Proportional to 708,860.25, 1,063,782.90 and 288,136.53

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Solution

The fourth proportional to 708,860.25, 1,063,782.90 and 288,136.53 is: 432,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,860.25 : 1,063,782.90 = 288,136.53 : x
  2. Step 2: Convert to fraction form
    708,860.25/1,063,782.90 = 288,136.53/x
  3. Step 3: Cross multiply
    708,860.25x = 1,063,782.90 × 288,136.53
  4. Step 4: Simplify right side
    708,860.25x = 306,514,713,479.34
  5. Step 5: Solve for x
    x = 306,514,713,479.34/708,860.25
  6. Step 6: Final answer
    x = 432,405.00

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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.