Home / 628,384.80-942,577.20-486,667.20

Finding the Fourth Proportional to 628,384.80, 942,577.20 and 486,667.20

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Solution

The fourth proportional to 628,384.80, 942,577.20 and 486,667.20 is: 730,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,384.80 : 942,577.20 = 486,667.20 : x
  2. Step 2: Convert to fraction form
    628,384.80/942,577.20 = 486,667.20/x
  3. Step 3: Cross multiply
    628,384.80x = 942,577.20 × 486,667.20
  4. Step 4: Simplify right side
    628,384.80x = 458,721,406,707.84
  5. Step 5: Solve for x
    x = 458,721,406,707.84/628,384.80
  6. Step 6: Final answer
    x = 730,000.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.