Home / 530,763.03-732,470.04-289,055.79

Finding the Fourth Proportional to 530,763.03, 732,470.04 and 289,055.79

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Solution

The fourth proportional to 530,763.03, 732,470.04 and 289,055.79 is: 398,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,763.03 : 732,470.04 = 289,055.79 : x
  2. Step 2: Convert to fraction form
    530,763.03/732,470.04 = 289,055.79/x
  3. Step 3: Cross multiply
    530,763.03x = 732,470.04 × 289,055.79
  4. Step 4: Simplify right side
    530,763.03x = 211,724,706,063.53
  5. Step 5: Solve for x
    x = 211,724,706,063.53/530,763.03
  6. Step 6: Final answer
    x = 398,906.28

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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.