Home / 877,682.80-1,211,195.34-475,274.80

Finding the Fourth Proportional to 877,682.80, 1,211,195.34 and 475,274.80

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Solution

The fourth proportional to 877,682.80, 1,211,195.34 and 475,274.80 is: 655,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,682.80 : 1,211,195.34 = 475,274.80 : x
  2. Step 2: Convert to fraction form
    877,682.80/1,211,195.34 = 475,274.80/x
  3. Step 3: Cross multiply
    877,682.80x = 1,211,195.34 × 475,274.80
  4. Step 4: Simplify right side
    877,682.80x = 575,650,622,979.43
  5. Step 5: Solve for x
    x = 575,650,622,979.43/877,682.80
  6. Step 6: Final answer
    x = 655,875.47

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Double scale
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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.