Home / 783,902.70-1,175,562.45-310,490.10

Finding the Fourth Proportional to 783,902.70, 1,175,562.45 and 310,490.10

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Solution

The fourth proportional to 783,902.70, 1,175,562.45 and 310,490.10 is: 465,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,902.70 : 1,175,562.45 = 310,490.10 : x
  2. Step 2: Convert to fraction form
    783,902.70/1,175,562.45 = 310,490.10/x
  3. Step 3: Cross multiply
    783,902.70x = 1,175,562.45 × 310,490.10
  4. Step 4: Simplify right side
    783,902.70x = 365,000,502,656.75
  5. Step 5: Solve for x
    x = 365,000,502,656.75/783,902.70
  6. Step 6: Final answer
    x = 465,619.65

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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.