Home / 920,870.31-1,270,632.33-512,962

Finding the Fourth Proportional to 920,870.31, 1,270,632.33 and 512,962

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Solution

The fourth proportional to 920,870.31, 1,270,632.33 and 512,962 is: 707,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,870.31 : 1,270,632.33 = 512,962 : x
  2. Step 2: Convert to fraction form
    920,870.31/1,270,632.33 = 512,962/x
  3. Step 3: Cross multiply
    920,870.31x = 1,270,632.33 × 512,962
  4. Step 4: Simplify right side
    920,870.31x = 651,786,101,261.46
  5. Step 5: Solve for x
    x = 651,786,101,261.46/920,870.31
  6. Step 6: Final answer
    x = 707,793.59

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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.