Home / 983,285.10-1,356,958.80-553,580.60

Finding the Fourth Proportional to 983,285.10, 1,356,958.80 and 553,580.60

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Solution

The fourth proportional to 983,285.10, 1,356,958.80 and 553,580.60 is: 763,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,285.10 : 1,356,958.80 = 553,580.60 : x
  2. Step 2: Convert to fraction form
    983,285.10/1,356,958.80 = 553,580.60/x
  3. Step 3: Cross multiply
    983,285.10x = 1,356,958.80 × 553,580.60
  4. Step 4: Simplify right side
    983,285.10x = 751,186,066,679.28
  5. Step 5: Solve for x
    x = 751,186,066,679.28/983,285.10
  6. Step 6: Final answer
    x = 763,955.51

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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.