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Finding the Fourth Proportional to 547,457.40, 750,004.12 and 526,989.22

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Solution

The fourth proportional to 547,457.40, 750,004.12 and 526,989.22 is: 721,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,457.40 : 750,004.12 = 526,989.22 : x
  2. Step 2: Convert to fraction form
    547,457.40/750,004.12 = 526,989.22/x
  3. Step 3: Cross multiply
    547,457.40x = 750,004.12 × 526,989.22
  4. Step 4: Simplify right side
    547,457.40x = 395,244,086,195.59
  5. Step 5: Solve for x
    x = 395,244,086,195.59/547,457.40
  6. Step 6: Final answer
    x = 721,963.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.