Home / 785,079.60-1,177,705.80-286,551.60

Finding the Fourth Proportional to 785,079.60, 1,177,705.80 and 286,551.60

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Solution

The fourth proportional to 785,079.60, 1,177,705.80 and 286,551.60 is: 429,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,079.60 : 1,177,705.80 = 286,551.60 : x
  2. Step 2: Convert to fraction form
    785,079.60/1,177,705.80 = 286,551.60/x
  3. Step 3: Cross multiply
    785,079.60x = 1,177,705.80 × 286,551.60
  4. Step 4: Simplify right side
    785,079.60x = 337,473,481,319.28
  5. Step 5: Solve for x
    x = 337,473,481,319.28/785,079.60
  6. Step 6: Final answer
    x = 429,858.94

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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.