Home / 765,292.99-1,147,901.51-285,483.41

Finding the Fourth Proportional to 765,292.99, 1,147,901.51 and 285,483.41

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Solution

The fourth proportional to 765,292.99, 1,147,901.51 and 285,483.41 is: 428,210.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,292.99 : 1,147,901.51 = 285,483.41 : x
  2. Step 2: Convert to fraction form
    765,292.99/1,147,901.51 = 285,483.41/x
  3. Step 3: Cross multiply
    765,292.99x = 1,147,901.51 × 285,483.41
  4. Step 4: Simplify right side
    765,292.99x = 327,706,837,418.95
  5. Step 5: Solve for x
    x = 327,706,837,418.95/765,292.99
  6. Step 6: Final answer
    x = 428,210.95

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1.5x scale

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.