Home / 776,588.35-1,071,681.70-427,722.06

Finding the Fourth Proportional to 776,588.35, 1,071,681.70 and 427,722.06

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Solution

The fourth proportional to 776,588.35, 1,071,681.70 and 427,722.06 is: 590,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,588.35 : 1,071,681.70 = 427,722.06 : x
  2. Step 2: Convert to fraction form
    776,588.35/1,071,681.70 = 427,722.06/x
  3. Step 3: Cross multiply
    776,588.35x = 1,071,681.70 × 427,722.06
  4. Step 4: Simplify right side
    776,588.35x = 458,381,899,029.89
  5. Step 5: Solve for x
    x = 458,381,899,029.89/776,588.35
  6. Step 6: Final answer
    x = 590,250.80

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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.