Home / 905,906.40-1,358,987.76-307,038.24

Finding the Fourth Proportional to 905,906.40, 1,358,987.76 and 307,038.24

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Solution

The fourth proportional to 905,906.40, 1,358,987.76 and 307,038.24 is: 460,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,906.40 : 1,358,987.76 = 307,038.24 : x
  2. Step 2: Convert to fraction form
    905,906.40/1,358,987.76 = 307,038.24/x
  3. Step 3: Cross multiply
    905,906.40x = 1,358,987.76 × 307,038.24
  4. Step 4: Simplify right side
    905,906.40x = 417,261,210,011.94
  5. Step 5: Solve for x
    x = 417,261,210,011.94/905,906.40
  6. Step 6: Final answer
    x = 460,600.80

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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.