Home / 909,671.67-1,255,355.66-501,790.70

Finding the Fourth Proportional to 909,671.67, 1,255,355.66 and 501,790.70

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Solution

The fourth proportional to 909,671.67, 1,255,355.66 and 501,790.70 is: 692,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,671.67 : 1,255,355.66 = 501,790.70 : x
  2. Step 2: Convert to fraction form
    909,671.67/1,255,355.66 = 501,790.70/x
  3. Step 3: Cross multiply
    909,671.67x = 1,255,355.66 × 501,790.70
  4. Step 4: Simplify right side
    909,671.67x = 629,925,792,871.41
  5. Step 5: Solve for x
    x = 629,925,792,871.41/909,671.67
  6. Step 6: Final answer
    x = 692,476.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.