Home / 985,871.53-1,360,499.32-550,285.10

Finding the Fourth Proportional to 985,871.53, 1,360,499.32 and 550,285.10

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Solution

The fourth proportional to 985,871.53, 1,360,499.32 and 550,285.10 is: 759,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,871.53 : 1,360,499.32 = 550,285.10 : x
  2. Step 2: Convert to fraction form
    985,871.53/1,360,499.32 = 550,285.10/x
  3. Step 3: Cross multiply
    985,871.53x = 1,360,499.32 × 550,285.10
  4. Step 4: Simplify right side
    985,871.53x = 748,662,496,177.92
  5. Step 5: Solve for x
    x = 748,662,496,177.92/985,871.53
  6. Step 6: Final answer
    x = 759,391.54

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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.