Home / 783,009.70-1,175,389.35-731,615.20

Finding the Fourth Proportional to 783,009.70, 1,175,389.35 and 731,615.20

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Solution

The fourth proportional to 783,009.70, 1,175,389.35 and 731,615.20 is: 1,098,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,009.70 : 1,175,389.35 = 731,615.20 : x
  2. Step 2: Convert to fraction form
    783,009.70/1,175,389.35 = 731,615.20/x
  3. Step 3: Cross multiply
    783,009.70x = 1,175,389.35 × 731,615.20
  4. Step 4: Simplify right side
    783,009.70x = 859,932,714,378.12
  5. Step 5: Solve for x
    x = 859,932,714,378.12/783,009.70
  6. Step 6: Final answer
    x = 1,098,240.18

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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.