Home / 763,040.03-1,053,045.05-440,763.71

Finding the Fourth Proportional to 763,040.03, 1,053,045.05 and 440,763.71

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Solution

The fourth proportional to 763,040.03, 1,053,045.05 and 440,763.71 is: 608,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,040.03 : 1,053,045.05 = 440,763.71 : x
  2. Step 2: Convert to fraction form
    763,040.03/1,053,045.05 = 440,763.71/x
  3. Step 3: Cross multiply
    763,040.03x = 1,053,045.05 × 440,763.71
  4. Step 4: Simplify right side
    763,040.03x = 464,144,035,566.09
  5. Step 5: Solve for x
    x = 464,144,035,566.09/763,040.03
  6. Step 6: Final answer
    x = 608,282.69

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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.