Home / 855,438.74-1,180,381.86-473,464.61

Finding the Fourth Proportional to 855,438.74, 1,180,381.86 and 473,464.61

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Solution

The fourth proportional to 855,438.74, 1,180,381.86 and 473,464.61 is: 653,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,438.74 : 1,180,381.86 = 473,464.61 : x
  2. Step 2: Convert to fraction form
    855,438.74/1,180,381.86 = 473,464.61/x
  3. Step 3: Cross multiply
    855,438.74x = 1,180,381.86 × 473,464.61
  4. Step 4: Simplify right side
    855,438.74x = 558,869,036,995.98
  5. Step 5: Solve for x
    x = 558,869,036,995.98/855,438.74
  6. Step 6: Final answer
    x = 653,312.75

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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.