Home / 997,619.10-1,496,428.65-398,672.70

Finding the Fourth Proportional to 997,619.10, 1,496,428.65 and 398,672.70

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Solution

The fourth proportional to 997,619.10, 1,496,428.65 and 398,672.70 is: 598,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,619.10 : 1,496,428.65 = 398,672.70 : x
  2. Step 2: Convert to fraction form
    997,619.10/1,496,428.65 = 398,672.70/x
  3. Step 3: Cross multiply
    997,619.10x = 1,496,428.65 × 398,672.70
  4. Step 4: Simplify right side
    997,619.10x = 596,585,250,252.86
  5. Step 5: Solve for x
    x = 596,585,250,252.86/997,619.10
  6. Step 6: Final answer
    x = 598,009.05

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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.