Home / 724,281.10-1,086,421.65-454,842.70

Finding the Fourth Proportional to 724,281.10, 1,086,421.65 and 454,842.70

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Solution

The fourth proportional to 724,281.10, 1,086,421.65 and 454,842.70 is: 682,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281.10 : 1,086,421.65 = 454,842.70 : x
  2. Step 2: Convert to fraction form
    724,281.10/1,086,421.65 = 454,842.70/x
  3. Step 3: Cross multiply
    724,281.10x = 1,086,421.65 × 454,842.70
  4. Step 4: Simplify right side
    724,281.10x = 494,150,956,624.46
  5. Step 5: Solve for x
    x = 494,150,956,624.46/724,281.10
  6. Step 6: Final answer
    x = 682,264.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.