Home / 724,298.37-999,524.52-402,000.18

Finding the Fourth Proportional to 724,298.37, 999,524.52 and 402,000.18

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Solution

The fourth proportional to 724,298.37, 999,524.52 and 402,000.18 is: 554,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,298.37 : 999,524.52 = 402,000.18 : x
  2. Step 2: Convert to fraction form
    724,298.37/999,524.52 = 402,000.18/x
  3. Step 3: Cross multiply
    724,298.37x = 999,524.52 × 402,000.18
  4. Step 4: Simplify right side
    724,298.37x = 401,809,036,954.41
  5. Step 5: Solve for x
    x = 401,809,036,954.41/724,298.37
  6. Step 6: Final answer
    x = 554,756.24

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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.