Home / 988,545.72-1,482,933.76-357,756.60

Finding the Fourth Proportional to 988,545.72, 1,482,933.76 and 357,756.60

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Solution

The fourth proportional to 988,545.72, 1,482,933.76 and 357,756.60 is: 536,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,545.72 : 1,482,933.76 = 357,756.60 : x
  2. Step 2: Convert to fraction form
    988,545.72/1,482,933.76 = 357,756.60/x
  3. Step 3: Cross multiply
    988,545.72x = 1,482,933.76 × 357,756.60
  4. Step 4: Simplify right side
    988,545.72x = 530,529,340,002.82
  5. Step 5: Solve for x
    x = 530,529,340,002.82/988,545.72
  6. Step 6: Final answer
    x = 536,676.58

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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.