Home / 692,903.60-1,038,772.20-360,479.60

Finding the Fourth Proportional to 692,903.60, 1,038,772.20 and 360,479.60

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Solution

The fourth proportional to 692,903.60, 1,038,772.20 and 360,479.60 is: 540,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,903.60 : 1,038,772.20 = 360,479.60 : x
  2. Step 2: Convert to fraction form
    692,903.60/1,038,772.20 = 360,479.60/x
  3. Step 3: Cross multiply
    692,903.60x = 1,038,772.20 × 360,479.60
  4. Step 4: Simplify right side
    692,903.60x = 374,456,187,147.12
  5. Step 5: Solve for x
    x = 374,456,187,147.12/692,903.60
  6. Step 6: Final answer
    x = 540,415.99

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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.