Home / 882,860.64-1,218,349.38-500,813.52

Finding the Fourth Proportional to 882,860.64, 1,218,349.38 and 500,813.52

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Solution

The fourth proportional to 882,860.64, 1,218,349.38 and 500,813.52 is: 691,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,860.64 : 1,218,349.38 = 500,813.52 : x
  2. Step 2: Convert to fraction form
    882,860.64/1,218,349.38 = 500,813.52/x
  3. Step 3: Cross multiply
    882,860.64x = 1,218,349.38 × 500,813.52
  4. Step 4: Simplify right side
    882,860.64x = 610,165,841,587.62
  5. Step 5: Solve for x
    x = 610,165,841,587.62/882,860.64
  6. Step 6: Final answer
    x = 691,123.62

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1.5x scale

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.