Home / 718,400.40-1,077,211.80-297,718.80

Finding the Fourth Proportional to 718,400.40, 1,077,211.80 and 297,718.80

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Solution

The fourth proportional to 718,400.40, 1,077,211.80 and 297,718.80 is: 446,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,400.40 : 1,077,211.80 = 297,718.80 : x
  2. Step 2: Convert to fraction form
    718,400.40/1,077,211.80 = 297,718.80/x
  3. Step 3: Cross multiply
    718,400.40x = 1,077,211.80 × 297,718.80
  4. Step 4: Simplify right side
    718,400.40x = 320,706,204,441.84
  5. Step 5: Solve for x
    x = 320,706,204,441.84/718,400.40
  6. Step 6: Final answer
    x = 446,417.07

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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.