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Finding the Fourth Proportional to 635,750.40, 877,121.56 and 360,070.68

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Solution

The fourth proportional to 635,750.40, 877,121.56 and 360,070.68 is: 496,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,750.40 : 877,121.56 = 360,070.68 : x
  2. Step 2: Convert to fraction form
    635,750.40/877,121.56 = 360,070.68/x
  3. Step 3: Cross multiply
    635,750.40x = 877,121.56 × 360,070.68
  4. Step 4: Simplify right side
    635,750.40x = 315,825,756,551.86
  5. Step 5: Solve for x
    x = 315,825,756,551.86/635,750.40
  6. Step 6: Final answer
    x = 496,776.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.