Home / 906,636.60-1,358,399.70-432,300.60

Finding the Fourth Proportional to 906,636.60, 1,358,399.70 and 432,300.60

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Solution

The fourth proportional to 906,636.60, 1,358,399.70 and 432,300.60 is: 647,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,636.60 : 1,358,399.70 = 432,300.60 : x
  2. Step 2: Convert to fraction form
    906,636.60/1,358,399.70 = 432,300.60/x
  3. Step 3: Cross multiply
    906,636.60x = 1,358,399.70 × 432,300.60
  4. Step 4: Simplify right side
    906,636.60x = 587,237,005,349.82
  5. Step 5: Solve for x
    x = 587,237,005,349.82/906,636.60
  6. Step 6: Final answer
    x = 647,709.35

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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.