Home / 990,729.71-1,485,626.13-383,802.29

Finding the Fourth Proportional to 990,729.71, 1,485,626.13 and 383,802.29

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Solution

The fourth proportional to 990,729.71, 1,485,626.13 and 383,802.29 is: 575,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,729.71 : 1,485,626.13 = 383,802.29 : x
  2. Step 2: Convert to fraction form
    990,729.71/1,485,626.13 = 383,802.29/x
  3. Step 3: Cross multiply
    990,729.71x = 1,485,626.13 × 383,802.29
  4. Step 4: Simplify right side
    990,729.71x = 570,186,703,349.71
  5. Step 5: Solve for x
    x = 570,186,703,349.71/990,729.71
  6. Step 6: Final answer
    x = 575,521.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.