Home / 882,316.71-1,217,596.96-500,343.49

Finding the Fourth Proportional to 882,316.71, 1,217,596.96 and 500,343.49

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Solution

The fourth proportional to 882,316.71, 1,217,596.96 and 500,343.49 is: 690,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,316.71 : 1,217,596.96 = 500,343.49 : x
  2. Step 2: Convert to fraction form
    882,316.71/1,217,596.96 = 500,343.49/x
  3. Step 3: Cross multiply
    882,316.71x = 1,217,596.96 × 500,343.49
  4. Step 4: Simplify right side
    882,316.71x = 609,216,703,790.09
  5. Step 5: Solve for x
    x = 609,216,703,790.09/882,316.71
  6. Step 6: Final answer
    x = 690,473.95

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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.