Home / 724,158.21-999,236.31-433,701.72

Finding the Fourth Proportional to 724,158.21, 999,236.31 and 433,701.72

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Solution

The fourth proportional to 724,158.21, 999,236.31 and 433,701.72 is: 598,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,158.21 : 999,236.31 = 433,701.72 : x
  2. Step 2: Convert to fraction form
    724,158.21/999,236.31 = 433,701.72/x
  3. Step 3: Cross multiply
    724,158.21x = 999,236.31 × 433,701.72
  4. Step 4: Simplify right side
    724,158.21x = 433,370,506,333.45
  5. Step 5: Solve for x
    x = 433,370,506,333.45/724,158.21
  6. Step 6: Final answer
    x = 598,447.27

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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.