Home / 988,740.77-1,483,111.14-456,104.21

Finding the Fourth Proportional to 988,740.77, 1,483,111.14 and 456,104.21

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Solution

The fourth proportional to 988,740.77, 1,483,111.14 and 456,104.21 is: 684,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,740.77 : 1,483,111.14 = 456,104.21 : x
  2. Step 2: Convert to fraction form
    988,740.77/1,483,111.14 = 456,104.21/x
  3. Step 3: Cross multiply
    988,740.77x = 1,483,111.14 × 456,104.21
  4. Step 4: Simplify right side
    988,740.77x = 676,453,234,851.90
  5. Step 5: Solve for x
    x = 676,453,234,851.90/988,740.77
  6. Step 6: Final answer
    x = 684,156.31

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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.