Home / 724,300.56-999,527.22-402,013.44

Finding the Fourth Proportional to 724,300.56, 999,527.22 and 402,013.44

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Solution

The fourth proportional to 724,300.56, 999,527.22 and 402,013.44 is: 554,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,300.56 : 999,527.22 = 402,013.44 : x
  2. Step 2: Convert to fraction form
    724,300.56/999,527.22 = 402,013.44/x
  3. Step 3: Cross multiply
    724,300.56x = 999,527.22 × 402,013.44
  4. Step 4: Simplify right side
    724,300.56x = 401,823,376,085.84
  5. Step 5: Solve for x
    x = 401,823,376,085.84/724,300.56
  6. Step 6: Final answer
    x = 554,774.36

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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.