Home / 688,756.02-1,033,144.50-262,315.43

Finding the Fourth Proportional to 688,756.02, 1,033,144.50 and 262,315.43

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Solution

The fourth proportional to 688,756.02, 1,033,144.50 and 262,315.43 is: 393,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,756.02 : 1,033,144.50 = 262,315.43 : x
  2. Step 2: Convert to fraction form
    688,756.02/1,033,144.50 = 262,315.43/x
  3. Step 3: Cross multiply
    688,756.02x = 1,033,144.50 × 262,315.43
  4. Step 4: Simplify right side
    688,756.02x = 271,009,738,603.91
  5. Step 5: Solve for x
    x = 271,009,738,603.91/688,756.02
  6. Step 6: Final answer
    x = 393,477.13

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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.