Home / 770,964.02-1,155,780.87-371,054.60

Finding the Fourth Proportional to 770,964.02, 1,155,780.87 and 371,054.60

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Solution

The fourth proportional to 770,964.02, 1,155,780.87 and 371,054.60 is: 556,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,964.02 : 1,155,780.87 = 371,054.60 : x
  2. Step 2: Convert to fraction form
    770,964.02/1,155,780.87 = 371,054.60/x
  3. Step 3: Cross multiply
    770,964.02x = 1,155,780.87 × 371,054.60
  4. Step 4: Simplify right side
    770,964.02x = 428,857,808,405.50
  5. Step 5: Solve for x
    x = 428,857,808,405.50/770,964.02
  6. Step 6: Final answer
    x = 556,261.77

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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.