Home / 903,668.40-1,355,502.60-272,500.20

Finding the Fourth Proportional to 903,668.40, 1,355,502.60 and 272,500.20

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Solution

The fourth proportional to 903,668.40, 1,355,502.60 and 272,500.20 is: 408,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,668.40 : 1,355,502.60 = 272,500.20 : x
  2. Step 2: Convert to fraction form
    903,668.40/1,355,502.60 = 272,500.20/x
  3. Step 3: Cross multiply
    903,668.40x = 1,355,502.60 × 272,500.20
  4. Step 4: Simplify right side
    903,668.40x = 369,374,729,600.52
  5. Step 5: Solve for x
    x = 369,374,729,600.52/903,668.40
  6. Step 6: Final answer
    x = 408,750.30

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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.