Home / 876,637.80-1,314,956.70-561,709.80

Finding the Fourth Proportional to 876,637.80, 1,314,956.70 and 561,709.80

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Solution

The fourth proportional to 876,637.80, 1,314,956.70 and 561,709.80 is: 842,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,637.80 : 1,314,956.70 = 561,709.80 : x
  2. Step 2: Convert to fraction form
    876,637.80/1,314,956.70 = 561,709.80/x
  3. Step 3: Cross multiply
    876,637.80x = 1,314,956.70 × 561,709.80
  4. Step 4: Simplify right side
    876,637.80x = 738,624,064,965.66
  5. Step 5: Solve for x
    x = 738,624,064,965.66/876,637.80
  6. Step 6: Final answer
    x = 842,564.70

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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.