Home / 785,963.40-1,178,105.76-448,276.92

Finding the Fourth Proportional to 785,963.40, 1,178,105.76 and 448,276.92

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Solution

The fourth proportional to 785,963.40, 1,178,105.76 and 448,276.92 is: 671,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,963.40 : 1,178,105.76 = 448,276.92 : x
  2. Step 2: Convert to fraction form
    785,963.40/1,178,105.76 = 448,276.92/x
  3. Step 3: Cross multiply
    785,963.40x = 1,178,105.76 × 448,276.92
  4. Step 4: Simplify right side
    785,963.40x = 528,117,621,527.06
  5. Step 5: Solve for x
    x = 528,117,621,527.06/785,963.40
  6. Step 6: Final answer
    x = 671,936.66

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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.