Home / 749,725.22-1,034,200.30-459,477.40

Finding the Fourth Proportional to 749,725.22, 1,034,200.30 and 459,477.40

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Solution

The fourth proportional to 749,725.22, 1,034,200.30 and 459,477.40 is: 633,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,725.22 : 1,034,200.30 = 459,477.40 : x
  2. Step 2: Convert to fraction form
    749,725.22/1,034,200.30 = 459,477.40/x
  3. Step 3: Cross multiply
    749,725.22x = 1,034,200.30 × 459,477.40
  4. Step 4: Simplify right side
    749,725.22x = 475,191,664,923.22
  5. Step 5: Solve for x
    x = 475,191,664,923.22/749,725.22
  6. Step 6: Final answer
    x = 633,821.10

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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.