Home / 688,757.52-1,033,146.75-262,316.93

Finding the Fourth Proportional to 688,757.52, 1,033,146.75 and 262,316.93

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Solution

The fourth proportional to 688,757.52, 1,033,146.75 and 262,316.93 is: 393,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,757.52 : 1,033,146.75 = 262,316.93 : x
  2. Step 2: Convert to fraction form
    688,757.52/1,033,146.75 = 262,316.93/x
  3. Step 3: Cross multiply
    688,757.52x = 1,033,146.75 × 262,316.93
  4. Step 4: Simplify right side
    688,757.52x = 271,011,878,533.74
  5. Step 5: Solve for x
    x = 271,011,878,533.74/688,757.52
  6. Step 6: Final answer
    x = 393,479.38

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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.