Home / 877,164.45-1,314,687.02-427,210.89

Finding the Fourth Proportional to 877,164.45, 1,314,687.02 and 427,210.89

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Solution

The fourth proportional to 877,164.45, 1,314,687.02 and 427,210.89 is: 640,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,164.45 : 1,314,687.02 = 427,210.89 : x
  2. Step 2: Convert to fraction form
    877,164.45/1,314,687.02 = 427,210.89/x
  3. Step 3: Cross multiply
    877,164.45x = 1,314,687.02 × 427,210.89
  4. Step 4: Simplify right side
    877,164.45x = 561,648,609,749.59
  5. Step 5: Solve for x
    x = 561,648,609,749.59/877,164.45
  6. Step 6: Final answer
    x = 640,300.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.