Home / 724,305.44-999,531.72-402,014.60

Finding the Fourth Proportional to 724,305.44, 999,531.72 and 402,014.60

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Solution

The fourth proportional to 724,305.44, 999,531.72 and 402,014.60 is: 554,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,305.44 : 999,531.72 = 402,014.60 : x
  2. Step 2: Convert to fraction form
    724,305.44/999,531.72 = 402,014.60/x
  3. Step 3: Cross multiply
    724,305.44x = 999,531.72 × 402,014.60
  4. Step 4: Simplify right side
    724,305.44x = 401,826,344,603.11
  5. Step 5: Solve for x
    x = 401,826,344,603.11/724,305.44
  6. Step 6: Final answer
    x = 554,774.72

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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.