Home / 718,224.87-1,077,756.45-398,644.94

Finding the Fourth Proportional to 718,224.87, 1,077,756.45 and 398,644.94

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Solution

The fourth proportional to 718,224.87, 1,077,756.45 and 398,644.94 is: 598,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,224.87 : 1,077,756.45 = 398,644.94 : x
  2. Step 2: Convert to fraction form
    718,224.87/1,077,756.45 = 398,644.94/x
  3. Step 3: Cross multiply
    718,224.87x = 1,077,756.45 × 398,644.94
  4. Step 4: Simplify right side
    718,224.87x = 429,642,148,461.16
  5. Step 5: Solve for x
    x = 429,642,148,461.16/718,224.87
  6. Step 6: Final answer
    x = 598,200.05

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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.