Home / 770,476.80-1,154,937.60-350,054.40

Finding the Fourth Proportional to 770,476.80, 1,154,937.60 and 350,054.40

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Solution

The fourth proportional to 770,476.80, 1,154,937.60 and 350,054.40 is: 524,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,476.80 : 1,154,937.60 = 350,054.40 : x
  2. Step 2: Convert to fraction form
    770,476.80/1,154,937.60 = 350,054.40/x
  3. Step 3: Cross multiply
    770,476.80x = 1,154,937.60 × 350,054.40
  4. Step 4: Simplify right side
    770,476.80x = 404,290,988,605.44
  5. Step 5: Solve for x
    x = 404,290,988,605.44/770,476.80
  6. Step 6: Final answer
    x = 524,728.31

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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.