Home / 712,999.20-1,068,008.40-334,243.20

Finding the Fourth Proportional to 712,999.20, 1,068,008.40 and 334,243.20

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Solution

The fourth proportional to 712,999.20, 1,068,008.40 and 334,243.20 is: 500,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,999.20 : 1,068,008.40 = 334,243.20 : x
  2. Step 2: Convert to fraction form
    712,999.20/1,068,008.40 = 334,243.20/x
  3. Step 3: Cross multiply
    712,999.20x = 1,068,008.40 × 334,243.20
  4. Step 4: Simplify right side
    712,999.20x = 356,974,545,242.88
  5. Step 5: Solve for x
    x = 356,974,545,242.88/712,999.20
  6. Step 6: Final answer
    x = 500,666.12

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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.