Home / 909,432.69-1,363,773.70-310,442.14

Finding the Fourth Proportional to 909,432.69, 1,363,773.70 and 310,442.14

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Solution

The fourth proportional to 909,432.69, 1,363,773.70 and 310,442.14 is: 465,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,432.69 : 1,363,773.70 = 310,442.14 : x
  2. Step 2: Convert to fraction form
    909,432.69/1,363,773.70 = 310,442.14/x
  3. Step 3: Cross multiply
    909,432.69x = 1,363,773.70 × 310,442.14
  4. Step 4: Simplify right side
    909,432.69x = 423,372,825,903.72
  5. Step 5: Solve for x
    x = 423,372,825,903.72/909,432.69
  6. Step 6: Final answer
    x = 465,535.09

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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.