Home / 724,281.92-999,555.76-401,992.04

Finding the Fourth Proportional to 724,281.92, 999,555.76 and 401,992.04

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Solution

The fourth proportional to 724,281.92, 999,555.76 and 401,992.04 is: 554,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281.92 : 999,555.76 = 401,992.04 : x
  2. Step 2: Convert to fraction form
    724,281.92/999,555.76 = 401,992.04/x
  3. Step 3: Cross multiply
    724,281.92x = 999,555.76 × 401,992.04
  4. Step 4: Simplify right side
    724,281.92x = 401,813,459,056.15
  5. Step 5: Solve for x
    x = 401,813,459,056.15/724,281.92
  6. Step 6: Final answer
    x = 554,774.94

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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.