Home / 889,483.52-1,332,828.24-687,574.38

Finding the Fourth Proportional to 889,483.52, 1,332,828.24 and 687,574.38

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Solution

The fourth proportional to 889,483.52, 1,332,828.24 and 687,574.38 is: 1,030,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,483.52 : 1,332,828.24 = 687,574.38 : x
  2. Step 2: Convert to fraction form
    889,483.52/1,332,828.24 = 687,574.38/x
  3. Step 3: Cross multiply
    889,483.52x = 1,332,828.24 × 687,574.38
  4. Step 4: Simplify right side
    889,483.52x = 916,418,545,687.03
  5. Step 5: Solve for x
    x = 916,418,545,687.03/889,483.52
  6. Step 6: Final answer
    x = 1,030,281.65

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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.