Home / 755,636.10-1,133,533.59-435,780.69

Finding the Fourth Proportional to 755,636.10, 1,133,533.59 and 435,780.69

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Solution

The fourth proportional to 755,636.10, 1,133,533.59 and 435,780.69 is: 653,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,636.10 : 1,133,533.59 = 435,780.69 : x
  2. Step 2: Convert to fraction form
    755,636.10/1,133,533.59 = 435,780.69/x
  3. Step 3: Cross multiply
    755,636.10x = 1,133,533.59 × 435,780.69
  4. Step 4: Simplify right side
    755,636.10x = 493,972,049,988.38
  5. Step 5: Solve for x
    x = 493,972,049,988.38/755,636.10
  6. Step 6: Final answer
    x = 653,716.85

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Double scale
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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.