Home / 887,053.24-1,224,133.94-479,155.07

Finding the Fourth Proportional to 887,053.24, 1,224,133.94 and 479,155.07

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Solution

The fourth proportional to 887,053.24, 1,224,133.94 and 479,155.07 is: 661,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,053.24 : 1,224,133.94 = 479,155.07 : x
  2. Step 2: Convert to fraction form
    887,053.24/1,224,133.94 = 479,155.07/x
  3. Step 3: Cross multiply
    887,053.24x = 1,224,133.94 × 479,155.07
  4. Step 4: Simplify right side
    887,053.24x = 586,549,983,710.08
  5. Step 5: Solve for x
    x = 586,549,983,710.08/887,053.24
  6. Step 6: Final answer
    x = 661,234.25

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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.