Home / 724,013.37-999,123.12-401,716.53

Finding the Fourth Proportional to 724,013.37, 999,123.12 and 401,716.53

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Solution

The fourth proportional to 724,013.37, 999,123.12 and 401,716.53 is: 554,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,013.37 : 999,123.12 = 401,716.53 : x
  2. Step 2: Convert to fraction form
    724,013.37/999,123.12 = 401,716.53/x
  3. Step 3: Cross multiply
    724,013.37x = 999,123.12 × 401,716.53
  4. Step 4: Simplify right side
    724,013.37x = 401,364,272,809.17
  5. Step 5: Solve for x
    x = 401,364,272,809.17/724,013.37
  6. Step 6: Final answer
    x = 554,360.31

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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.