Home / 942,489.16-1,300,620.74-512,759.46

Finding the Fourth Proportional to 942,489.16, 1,300,620.74 and 512,759.46

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Solution

The fourth proportional to 942,489.16, 1,300,620.74 and 512,759.46 is: 707,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,489.16 : 1,300,620.74 = 512,759.46 : x
  2. Step 2: Convert to fraction form
    942,489.16/1,300,620.74 = 512,759.46/x
  3. Step 3: Cross multiply
    942,489.16x = 1,300,620.74 × 512,759.46
  4. Step 4: Simplify right side
    942,489.16x = 666,905,588,307.20
  5. Step 5: Solve for x
    x = 666,905,588,307.20/942,489.16
  6. Step 6: Final answer
    x = 707,600.27

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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.