Home / 885,455.76-1,221,923.16-503,482.56

Finding the Fourth Proportional to 885,455.76, 1,221,923.16 and 503,482.56

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Solution

The fourth proportional to 885,455.76, 1,221,923.16 and 503,482.56 is: 694,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,455.76 : 1,221,923.16 = 503,482.56 : x
  2. Step 2: Convert to fraction form
    885,455.76/1,221,923.16 = 503,482.56/x
  3. Step 3: Cross multiply
    885,455.76x = 1,221,923.16 × 503,482.56
  4. Step 4: Simplify right side
    885,455.76x = 615,217,000,720.09
  5. Step 5: Solve for x
    x = 615,217,000,720.09/885,455.76
  6. Step 6: Final answer
    x = 694,802.64

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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.