Home / 724,152.26-999,296.43-401,859.53

Finding the Fourth Proportional to 724,152.26, 999,296.43 and 401,859.53

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Solution

The fourth proportional to 724,152.26, 999,296.43 and 401,859.53 is: 554,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,152.26 : 999,296.43 = 401,859.53 : x
  2. Step 2: Convert to fraction form
    724,152.26/999,296.43 = 401,859.53/x
  3. Step 3: Cross multiply
    724,152.26x = 999,296.43 × 401,859.53
  4. Step 4: Simplify right side
    724,152.26x = 401,576,798,815.89
  5. Step 5: Solve for x
    x = 401,576,798,815.89/724,152.26
  6. Step 6: Final answer
    x = 554,547.47

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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.