Home / 748,549.88-1,120,812.74-570,207.32

Finding the Fourth Proportional to 748,549.88, 1,120,812.74 and 570,207.32

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Solution

The fourth proportional to 748,549.88, 1,120,812.74 and 570,207.32 is: 853,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,549.88 : 1,120,812.74 = 570,207.32 : x
  2. Step 2: Convert to fraction form
    748,549.88/1,120,812.74 = 570,207.32/x
  3. Step 3: Cross multiply
    748,549.88x = 1,120,812.74 × 570,207.32
  4. Step 4: Simplify right side
    748,549.88x = 639,095,628,697.26
  5. Step 5: Solve for x
    x = 639,095,628,697.26/748,549.88
  6. Step 6: Final answer
    x = 853,778.28

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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.