Home / 909,969.40-1,364,954.10-377,434.90

Finding the Fourth Proportional to 909,969.40, 1,364,954.10 and 377,434.90

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Solution

The fourth proportional to 909,969.40, 1,364,954.10 and 377,434.90 is: 566,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,969.40 : 1,364,954.10 = 377,434.90 : x
  2. Step 2: Convert to fraction form
    909,969.40/1,364,954.10 = 377,434.90/x
  3. Step 3: Cross multiply
    909,969.40x = 1,364,954.10 × 377,434.90
  4. Step 4: Simplify right side
    909,969.40x = 515,181,314,238.09
  5. Step 5: Solve for x
    x = 515,181,314,238.09/909,969.40
  6. Step 6: Final answer
    x = 566,152.35

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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.