Home / 856,210.72-1,284,786.28-496,821.01

Finding the Fourth Proportional to 856,210.72, 1,284,786.28 and 496,821.01

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Solution

The fourth proportional to 856,210.72, 1,284,786.28 and 496,821.01 is: 745,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,210.72 : 1,284,786.28 = 496,821.01 : x
  2. Step 2: Convert to fraction form
    856,210.72/1,284,786.28 = 496,821.01/x
  3. Step 3: Cross multiply
    856,210.72x = 1,284,786.28 × 496,821.01
  4. Step 4: Simplify right side
    856,210.72x = 638,308,817,263.74
  5. Step 5: Solve for x
    x = 638,308,817,263.74/856,210.72
  6. Step 6: Final answer
    x = 745,504.35

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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.