Home / 724,038.08-999,169.29-401,747.38

Finding the Fourth Proportional to 724,038.08, 999,169.29 and 401,747.38

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Solution

The fourth proportional to 724,038.08, 999,169.29 and 401,747.38 is: 554,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,038.08 : 999,169.29 = 401,747.38 : x
  2. Step 2: Convert to fraction form
    724,038.08/999,169.29 = 401,747.38/x
  3. Step 3: Cross multiply
    724,038.08x = 999,169.29 × 401,747.38
  4. Step 4: Simplify right side
    724,038.08x = 401,413,641,936.04
  5. Step 5: Solve for x
    x = 401,413,641,936.04/724,038.08
  6. Step 6: Final answer
    x = 554,409.58

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1.5x scale

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.