Home / 880,008.31-1,214,411.96-477,600.31

Finding the Fourth Proportional to 880,008.31, 1,214,411.96 and 477,600.31

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Solution

The fourth proportional to 880,008.31, 1,214,411.96 and 477,600.31 is: 659,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,008.31 : 1,214,411.96 = 477,600.31 : x
  2. Step 2: Convert to fraction form
    880,008.31/1,214,411.96 = 477,600.31/x
  3. Step 3: Cross multiply
    880,008.31x = 1,214,411.96 × 477,600.31
  4. Step 4: Simplify right side
    880,008.31x = 580,003,522,491.65
  5. Step 5: Solve for x
    x = 580,003,522,491.65/880,008.31
  6. Step 6: Final answer
    x = 659,088.69

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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.