Home / 993,828.80-1,490,743.20-545,931.20

Finding the Fourth Proportional to 993,828.80, 1,490,743.20 and 545,931.20

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Solution

The fourth proportional to 993,828.80, 1,490,743.20 and 545,931.20 is: 818,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,828.80 : 1,490,743.20 = 545,931.20 : x
  2. Step 2: Convert to fraction form
    993,828.80/1,490,743.20 = 545,931.20/x
  3. Step 3: Cross multiply
    993,828.80x = 1,490,743.20 × 545,931.20
  4. Step 4: Simplify right side
    993,828.80x = 813,843,224,067.84
  5. Step 5: Solve for x
    x = 813,843,224,067.84/993,828.80
  6. Step 6: Final answer
    x = 818,896.80

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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.