Home / 909,950.92-1,365,088.38-310,978.60

Finding the Fourth Proportional to 909,950.92, 1,365,088.38 and 310,978.60

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Solution

The fourth proportional to 909,950.92, 1,365,088.38 and 310,978.60 is: 466,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,950.92 : 1,365,088.38 = 310,978.60 : x
  2. Step 2: Convert to fraction form
    909,950.92/1,365,088.38 = 310,978.60/x
  3. Step 3: Cross multiply
    909,950.92x = 1,365,088.38 × 310,978.60
  4. Step 4: Simplify right side
    909,950.92x = 424,513,273,288.67
  5. Step 5: Solve for x
    x = 424,513,273,288.67/909,950.92
  6. Step 6: Final answer
    x = 466,523.26

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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.