Home / 724,817.70-1,087,226.55-524,715.30

Finding the Fourth Proportional to 724,817.70, 1,087,226.55 and 524,715.30

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Solution

The fourth proportional to 724,817.70, 1,087,226.55 and 524,715.30 is: 787,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,817.70 : 1,087,226.55 = 524,715.30 : x
  2. Step 2: Convert to fraction form
    724,817.70/1,087,226.55 = 524,715.30/x
  3. Step 3: Cross multiply
    724,817.70x = 1,087,226.55 × 524,715.30
  4. Step 4: Simplify right side
    724,817.70x = 570,484,405,351.22
  5. Step 5: Solve for x
    x = 570,484,405,351.22/724,817.70
  6. Step 6: Final answer
    x = 787,072.95

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Double scale
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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.