Home / 679,964.60-1,019,946.90-502,817.60

Finding the Fourth Proportional to 679,964.60, 1,019,946.90 and 502,817.60

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Solution

The fourth proportional to 679,964.60, 1,019,946.90 and 502,817.60 is: 754,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,964.60 : 1,019,946.90 = 502,817.60 : x
  2. Step 2: Convert to fraction form
    679,964.60/1,019,946.90 = 502,817.60/x
  3. Step 3: Cross multiply
    679,964.60x = 1,019,946.90 × 502,817.60
  4. Step 4: Simplify right side
    679,964.60x = 512,847,252,385.44
  5. Step 5: Solve for x
    x = 512,847,252,385.44/679,964.60
  6. Step 6: Final answer
    x = 754,226.40

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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.