Home / 930,798.18-1,284,361.56-522,821.88

Finding the Fourth Proportional to 930,798.18, 1,284,361.56 and 522,821.88

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Solution

The fourth proportional to 930,798.18, 1,284,361.56 and 522,821.88 is: 721,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,798.18 : 1,284,361.56 = 522,821.88 : x
  2. Step 2: Convert to fraction form
    930,798.18/1,284,361.56 = 522,821.88/x
  3. Step 3: Cross multiply
    930,798.18x = 1,284,361.56 × 522,821.88
  4. Step 4: Simplify right side
    930,798.18x = 671,492,325,398.93
  5. Step 5: Solve for x
    x = 671,492,325,398.93/930,798.18
  6. Step 6: Final answer
    x = 721,415.60

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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.