Home / 942,681.40-1,300,903.14-512,961.64

Finding the Fourth Proportional to 942,681.40, 1,300,903.14 and 512,961.64

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Solution

The fourth proportional to 942,681.40, 1,300,903.14 and 512,961.64 is: 707,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,681.40 : 1,300,903.14 = 512,961.64 : x
  2. Step 2: Convert to fraction form
    942,681.40/1,300,903.14 = 512,961.64/x
  3. Step 3: Cross multiply
    942,681.40x = 1,300,903.14 × 512,961.64
  4. Step 4: Simplify right side
    942,681.40x = 667,313,408,175.55
  5. Step 5: Solve for x
    x = 667,313,408,175.55/942,681.40
  6. Step 6: Final answer
    x = 707,888.59

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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.