Home / 989,433.40-1,484,150.10-930,384.40

Finding the Fourth Proportional to 989,433.40, 1,484,150.10 and 930,384.40

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Solution

The fourth proportional to 989,433.40, 1,484,150.10 and 930,384.40 is: 1,395,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,433.40 : 1,484,150.10 = 930,384.40 : x
  2. Step 2: Convert to fraction form
    989,433.40/1,484,150.10 = 930,384.40/x
  3. Step 3: Cross multiply
    989,433.40x = 1,484,150.10 × 930,384.40
  4. Step 4: Simplify right side
    989,433.40x = 1,380,830,100,298.44
  5. Step 5: Solve for x
    x = 1,380,830,100,298.44/989,433.40
  6. Step 6: Final answer
    x = 1,395,576.60

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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.