Home / 744,358.10-1,116,543.90-211,878.92

Finding the Fourth Proportional to 744,358.10, 1,116,543.90 and 211,878.92

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Solution

The fourth proportional to 744,358.10, 1,116,543.90 and 211,878.92 is: 317,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,358.10 : 1,116,543.90 = 211,878.92 : x
  2. Step 2: Convert to fraction form
    744,358.10/1,116,543.90 = 211,878.92/x
  3. Step 3: Cross multiply
    744,358.10x = 1,116,543.90 × 211,878.92
  4. Step 4: Simplify right side
    744,358.10x = 236,572,115,664.59
  5. Step 5: Solve for x
    x = 236,572,115,664.59/744,358.10
  6. Step 6: Final answer
    x = 317,820.30

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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.