Home / 530,191.26-731,642.04-288,474.81

Finding the Fourth Proportional to 530,191.26, 731,642.04 and 288,474.81

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Solution

The fourth proportional to 530,191.26, 731,642.04 and 288,474.81 is: 398,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,191.26 : 731,642.04 = 288,474.81 : x
  2. Step 2: Convert to fraction form
    530,191.26/731,642.04 = 288,474.81/x
  3. Step 3: Cross multiply
    530,191.26x = 731,642.04 × 288,474.81
  4. Step 4: Simplify right side
    530,191.26x = 211,060,298,477.01
  5. Step 5: Solve for x
    x = 211,060,298,477.01/530,191.26
  6. Step 6: Final answer
    x = 398,083.32

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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.