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Finding the Fourth Proportional to 880,008.39, 1,214,412.08 and 477,600.39

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Solution

The fourth proportional to 880,008.39, 1,214,412.08 and 477,600.39 is: 659,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.39 : 1,214,412.08 = 477,600.39 : x
  2. Step 2: Convert to fraction form
    880,008.39/1,214,412.08 = 477,600.39/x
  3. Step 3: Cross multiply
    880,008.39x = 1,214,412.08 × 477,600.39
  4. Step 4: Simplify right side
    880,008.39x = 580,003,680,640.71
  5. Step 5: Solve for x
    x = 580,003,680,640.71/880,008.39
  6. Step 6: Final answer
    x = 659,088.81

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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.