Home / 942,052.58-1,300,020-512,323.46

Finding the Fourth Proportional to 942,052.58, 1,300,020 and 512,323.46

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Solution

The fourth proportional to 942,052.58, 1,300,020 and 512,323.46 is: 706,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,052.58 : 1,300,020 = 512,323.46 : x
  2. Step 2: Convert to fraction form
    942,052.58/1,300,020 = 512,323.46/x
  3. Step 3: Cross multiply
    942,052.58x = 1,300,020 × 512,323.46
  4. Step 4: Simplify right side
    942,052.58x = 666,030,744,469.20
  5. Step 5: Solve for x
    x = 666,030,744,469.20/942,052.58
  6. Step 6: Final answer
    x = 706,999.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.