Home / 763,045.65-1,053,052.79-440,769.33

Finding the Fourth Proportional to 763,045.65, 1,053,052.79 and 440,769.33

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Solution

The fourth proportional to 763,045.65, 1,053,052.79 and 440,769.33 is: 608,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,045.65 : 1,053,052.79 = 440,769.33 : x
  2. Step 2: Convert to fraction form
    763,045.65/1,053,052.79 = 440,769.33/x
  3. Step 3: Cross multiply
    763,045.65x = 1,053,052.79 × 440,769.33
  4. Step 4: Simplify right side
    763,045.65x = 464,153,370,499.08
  5. Step 5: Solve for x
    x = 464,153,370,499.08/763,045.65
  6. Step 6: Final answer
    x = 608,290.44

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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.