Home / 897,118.97-1,237,989.58-509,985.27

Finding the Fourth Proportional to 897,118.97, 1,237,989.58 and 509,985.27

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Solution

The fourth proportional to 897,118.97, 1,237,989.58 and 509,985.27 is: 703,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,118.97 : 1,237,989.58 = 509,985.27 : x
  2. Step 2: Convert to fraction form
    897,118.97/1,237,989.58 = 509,985.27/x
  3. Step 3: Cross multiply
    897,118.97x = 1,237,989.58 × 509,985.27
  4. Step 4: Simplify right side
    897,118.97x = 631,356,448,938.52
  5. Step 5: Solve for x
    x = 631,356,448,938.52/897,118.97
  6. Step 6: Final answer
    x = 703,760.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.