Home / 663,079.48-994,618.32-307,899.28

Finding the Fourth Proportional to 663,079.48, 994,618.32 and 307,899.28

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Solution

The fourth proportional to 663,079.48, 994,618.32 and 307,899.28 is: 461,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,079.48 : 994,618.32 = 307,899.28 : x
  2. Step 2: Convert to fraction form
    663,079.48/994,618.32 = 307,899.28/x
  3. Step 3: Cross multiply
    663,079.48x = 994,618.32 × 307,899.28
  4. Step 4: Simplify right side
    663,079.48x = 306,242,264,602.81
  5. Step 5: Solve for x
    x = 306,242,264,602.81/663,079.48
  6. Step 6: Final answer
    x = 461,848.50

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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.