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Finding the Fourth Proportional to 851,567, 1,277,350.50 and 477,619.16

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Solution

The fourth proportional to 851,567, 1,277,350.50 and 477,619.16 is: 716,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,567 : 1,277,350.50 = 477,619.16 : x
  2. Step 2: Convert to fraction form
    851,567/1,277,350.50 = 477,619.16/x
  3. Step 3: Cross multiply
    851,567x = 1,277,350.50 × 477,619.16
  4. Step 4: Simplify right side
    851,567x = 610,087,072,835.58
  5. Step 5: Solve for x
    x = 610,087,072,835.58/851,567
  6. Step 6: Final answer
    x = 716,428.74

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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.