Home / 724,290.46-999,439.77-402,014.14

Finding the Fourth Proportional to 724,290.46, 999,439.77 and 402,014.14

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Solution

The fourth proportional to 724,290.46, 999,439.77 and 402,014.14 is: 554,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,290.46 : 999,439.77 = 402,014.14 : x
  2. Step 2: Convert to fraction form
    724,290.46/999,439.77 = 402,014.14/x
  3. Step 3: Cross multiply
    724,290.46x = 999,439.77 × 402,014.14
  4. Step 4: Simplify right side
    724,290.46x = 401,788,919,618.35
  5. Step 5: Solve for x
    x = 401,788,919,618.35/724,290.46
  6. Step 6: Final answer
    x = 554,734.52

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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.