Home / 965,411.20-1,448,635.20-404,502.40

Finding the Fourth Proportional to 965,411.20, 1,448,635.20 and 404,502.40

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Solution

The fourth proportional to 965,411.20, 1,448,635.20 and 404,502.40 is: 606,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,411.20 : 1,448,635.20 = 404,502.40 : x
  2. Step 2: Convert to fraction form
    965,411.20/1,448,635.20 = 404,502.40/x
  3. Step 3: Cross multiply
    965,411.20x = 1,448,635.20 × 404,502.40
  4. Step 4: Simplify right side
    965,411.20x = 585,976,415,124.48
  5. Step 5: Solve for x
    x = 585,976,415,124.48/965,411.20
  6. Step 6: Final answer
    x = 606,970.81

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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.