Home / 830,869.11-1,146,599.96-448,895.79

Finding the Fourth Proportional to 830,869.11, 1,146,599.96 and 448,895.79

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Solution

The fourth proportional to 830,869.11, 1,146,599.96 and 448,895.79 is: 619,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,869.11 : 1,146,599.96 = 448,895.79 : x
  2. Step 2: Convert to fraction form
    830,869.11/1,146,599.96 = 448,895.79/x
  3. Step 3: Cross multiply
    830,869.11x = 1,146,599.96 × 448,895.79
  4. Step 4: Simplify right side
    830,869.11x = 514,703,892,613.69
  5. Step 5: Solve for x
    x = 514,703,892,613.69/830,869.11
  6. Step 6: Final answer
    x = 619,476.51

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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.