Home / 724,296.06-999,521.01-402,008.94

Finding the Fourth Proportional to 724,296.06, 999,521.01 and 402,008.94

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Solution

The fourth proportional to 724,296.06, 999,521.01 and 402,008.94 is: 554,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,296.06 : 999,521.01 = 402,008.94 : x
  2. Step 2: Convert to fraction form
    724,296.06/999,521.01 = 402,008.94/x
  3. Step 3: Cross multiply
    724,296.06x = 999,521.01 × 402,008.94
  4. Step 4: Simplify right side
    724,296.06x = 401,816,381,737.83
  5. Step 5: Solve for x
    x = 401,816,381,737.83/724,296.06
  6. Step 6: Final answer
    x = 554,768.15

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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.