Home / 530,341.16-731,903.46-304,020.68

Finding the Fourth Proportional to 530,341.16, 731,903.46 and 304,020.68

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Solution

The fourth proportional to 530,341.16, 731,903.46 and 304,020.68 is: 419,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,341.16 : 731,903.46 = 304,020.68 : x
  2. Step 2: Convert to fraction form
    530,341.16/731,903.46 = 304,020.68/x
  3. Step 3: Cross multiply
    530,341.16x = 731,903.46 × 304,020.68
  4. Step 4: Simplify right side
    530,341.16x = 222,513,787,603.55
  5. Step 5: Solve for x
    x = 222,513,787,603.55/530,341.16
  6. Step 6: Final answer
    x = 419,567.26

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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.