Home / 909,252.06-1,364,271.40-488,035.86

Finding the Fourth Proportional to 909,252.06, 1,364,271.40 and 488,035.86

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Solution

The fourth proportional to 909,252.06, 1,364,271.40 and 488,035.86 is: 732,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,252.06 : 1,364,271.40 = 488,035.86 : x
  2. Step 2: Convert to fraction form
    909,252.06/1,364,271.40 = 488,035.86/x
  3. Step 3: Cross multiply
    909,252.06x = 1,364,271.40 × 488,035.86
  4. Step 4: Simplify right side
    909,252.06x = 665,813,365,972.40
  5. Step 5: Solve for x
    x = 665,813,365,972.40/909,252.06
  6. Step 6: Final answer
    x = 732,264.90

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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.