Home / 632,382.18-872,677.14-345,899.76

Finding the Fourth Proportional to 632,382.18, 872,677.14 and 345,899.76

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Solution

The fourth proportional to 632,382.18, 872,677.14 and 345,899.76 is: 477,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,382.18 : 872,677.14 = 345,899.76 : x
  2. Step 2: Convert to fraction form
    632,382.18/872,677.14 = 345,899.76/x
  3. Step 3: Cross multiply
    632,382.18x = 872,677.14 × 345,899.76
  4. Step 4: Simplify right side
    632,382.18x = 301,858,813,283.49
  5. Step 5: Solve for x
    x = 301,858,813,283.49/632,382.18
  6. Step 6: Final answer
    x = 477,336.05

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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.