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Finding the Fourth Proportional to 880,008.06, 1,214,411.62 and 477,600.06

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Solution

The fourth proportional to 880,008.06, 1,214,411.62 and 477,600.06 is: 659,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.06 : 1,214,411.62 = 477,600.06 : x
  2. Step 2: Convert to fraction form
    880,008.06/1,214,411.62 = 477,600.06/x
  3. Step 3: Cross multiply
    880,008.06x = 1,214,411.62 × 477,600.06
  4. Step 4: Simplify right side
    880,008.06x = 580,003,054,116.64
  5. Step 5: Solve for x
    x = 580,003,054,116.64/880,008.06
  6. Step 6: Final answer
    x = 659,088.35

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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.