Home / 447,206.22-670,402.02-287,325.60

Finding the Fourth Proportional to 447,206.22, 670,402.02 and 287,325.60

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Solution

The fourth proportional to 447,206.22, 670,402.02 and 287,325.60 is: 430,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,206.22 : 670,402.02 = 287,325.60 : x
  2. Step 2: Convert to fraction form
    447,206.22/670,402.02 = 287,325.60/x
  3. Step 3: Cross multiply
    447,206.22x = 670,402.02 × 287,325.60
  4. Step 4: Simplify right side
    447,206.22x = 192,623,662,637.71
  5. Step 5: Solve for x
    x = 192,623,662,637.71/447,206.22
  6. Step 6: Final answer
    x = 430,726.71

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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.