Home / 724,015.34-999,125.88-401,718.50

Finding the Fourth Proportional to 724,015.34, 999,125.88 and 401,718.50

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Solution

The fourth proportional to 724,015.34, 999,125.88 and 401,718.50 is: 554,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,015.34 : 999,125.88 = 401,718.50 : x
  2. Step 2: Convert to fraction form
    724,015.34/999,125.88 = 401,718.50/x
  3. Step 3: Cross multiply
    724,015.34x = 999,125.88 × 401,718.50
  4. Step 4: Simplify right side
    724,015.34x = 401,367,349,824.78
  5. Step 5: Solve for x
    x = 401,367,349,824.78/724,015.34
  6. Step 6: Final answer
    x = 554,363.05

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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.