Home / 989,887.33-1,484,757.14-341,400.12

Finding the Fourth Proportional to 989,887.33, 1,484,757.14 and 341,400.12

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Solution

The fourth proportional to 989,887.33, 1,484,757.14 and 341,400.12 is: 512,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,887.33 : 1,484,757.14 = 341,400.12 : x
  2. Step 2: Convert to fraction form
    989,887.33/1,484,757.14 = 341,400.12/x
  3. Step 3: Cross multiply
    989,887.33x = 1,484,757.14 × 341,400.12
  4. Step 4: Simplify right side
    989,887.33x = 506,896,258,492.02
  5. Step 5: Solve for x
    x = 506,896,258,492.02/989,887.33
  6. Step 6: Final answer
    x = 512,074.70

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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.