Home / 909,102.30-1,254,528.45-495,630.24

Finding the Fourth Proportional to 909,102.30, 1,254,528.45 and 495,630.24

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Solution

The fourth proportional to 909,102.30, 1,254,528.45 and 495,630.24 is: 683,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,102.30 : 1,254,528.45 = 495,630.24 : x
  2. Step 2: Convert to fraction form
    909,102.30/1,254,528.45 = 495,630.24/x
  3. Step 3: Cross multiply
    909,102.30x = 1,254,528.45 × 495,630.24
  4. Step 4: Simplify right side
    909,102.30x = 621,782,236,760.33
  5. Step 5: Solve for x
    x = 621,782,236,760.33/909,102.30
  6. Step 6: Final answer
    x = 683,951.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.