Home / 679,958.20-1,019,937.30-456,009.40

Finding the Fourth Proportional to 679,958.20, 1,019,937.30 and 456,009.40

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Solution

The fourth proportional to 679,958.20, 1,019,937.30 and 456,009.40 is: 684,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,958.20 : 1,019,937.30 = 456,009.40 : x
  2. Step 2: Convert to fraction form
    679,958.20/1,019,937.30 = 456,009.40/x
  3. Step 3: Cross multiply
    679,958.20x = 1,019,937.30 × 456,009.40
  4. Step 4: Simplify right side
    679,958.20x = 465,100,996,210.62
  5. Step 5: Solve for x
    x = 465,100,996,210.62/679,958.20
  6. Step 6: Final answer
    x = 684,014.10

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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.