Home / 718,790.90-1,078,315.46-245,365.57

Finding the Fourth Proportional to 718,790.90, 1,078,315.46 and 245,365.57

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Solution

The fourth proportional to 718,790.90, 1,078,315.46 and 245,365.57 is: 368,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,790.90 : 1,078,315.46 = 245,365.57 : x
  2. Step 2: Convert to fraction form
    718,790.90/1,078,315.46 = 245,365.57/x
  3. Step 3: Cross multiply
    718,790.90x = 1,078,315.46 × 245,365.57
  4. Step 4: Simplify right side
    718,790.90x = 264,581,487,482.71
  5. Step 5: Solve for x
    x = 264,581,487,482.71/718,790.90
  6. Step 6: Final answer
    x = 368,092.43

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1.5x scale

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.