Home / 718,933.80-1,077,882.30-403,487.40

Finding the Fourth Proportional to 718,933.80, 1,077,882.30 and 403,487.40

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Solution

The fourth proportional to 718,933.80, 1,077,882.30 and 403,487.40 is: 604,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,933.80 : 1,077,882.30 = 403,487.40 : x
  2. Step 2: Convert to fraction form
    718,933.80/1,077,882.30 = 403,487.40/x
  3. Step 3: Cross multiply
    718,933.80x = 1,077,882.30 × 403,487.40
  4. Step 4: Simplify right side
    718,933.80x = 434,911,926,733.02
  5. Step 5: Solve for x
    x = 434,911,926,733.02/718,933.80
  6. Step 6: Final answer
    x = 604,940.16

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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.