Home / 989,844.70-1,484,815.65-517,452.70

Finding the Fourth Proportional to 989,844.70, 1,484,815.65 and 517,452.70

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Solution

The fourth proportional to 989,844.70, 1,484,815.65 and 517,452.70 is: 776,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,844.70 : 1,484,815.65 = 517,452.70 : x
  2. Step 2: Convert to fraction form
    989,844.70/1,484,815.65 = 517,452.70/x
  3. Step 3: Cross multiply
    989,844.70x = 1,484,815.65 × 517,452.70
  4. Step 4: Simplify right side
    989,844.70x = 768,321,867,094.76
  5. Step 5: Solve for x
    x = 768,321,867,094.76/989,844.70
  6. Step 6: Final answer
    x = 776,204.46

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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.