Home / 909,722.40-1,364,583.60-555,428.40

Finding the Fourth Proportional to 909,722.40, 1,364,583.60 and 555,428.40

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Solution

The fourth proportional to 909,722.40, 1,364,583.60 and 555,428.40 is: 833,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,722.40 : 1,364,583.60 = 555,428.40 : x
  2. Step 2: Convert to fraction form
    909,722.40/1,364,583.60 = 555,428.40/x
  3. Step 3: Cross multiply
    909,722.40x = 1,364,583.60 × 555,428.40
  4. Step 4: Simplify right side
    909,722.40x = 757,928,485,614.24
  5. Step 5: Solve for x
    x = 757,928,485,614.24/909,722.40
  6. Step 6: Final answer
    x = 833,142.60

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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.