Home / 807,605.10-1,209,949.65-470,369.70

Finding the Fourth Proportional to 807,605.10, 1,209,949.65 and 470,369.70

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Solution

The fourth proportional to 807,605.10, 1,209,949.65 and 470,369.70 is: 704,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,605.10 : 1,209,949.65 = 470,369.70 : x
  2. Step 2: Convert to fraction form
    807,605.10/1,209,949.65 = 470,369.70/x
  3. Step 3: Cross multiply
    807,605.10x = 1,209,949.65 × 470,369.70
  4. Step 4: Simplify right side
    807,605.10x = 569,123,653,885.61
  5. Step 5: Solve for x
    x = 569,123,653,885.61/807,605.10
  6. Step 6: Final answer
    x = 704,705.37

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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.