Home / 755,247.60-1,132,871.40-435,945.60

Finding the Fourth Proportional to 755,247.60, 1,132,871.40 and 435,945.60

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Solution

The fourth proportional to 755,247.60, 1,132,871.40 and 435,945.60 is: 653,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,247.60 : 1,132,871.40 = 435,945.60 : x
  2. Step 2: Convert to fraction form
    755,247.60/1,132,871.40 = 435,945.60/x
  3. Step 3: Cross multiply
    755,247.60x = 1,132,871.40 × 435,945.60
  4. Step 4: Simplify right side
    755,247.60x = 493,870,302,195.84
  5. Step 5: Solve for x
    x = 493,870,302,195.84/755,247.60
  6. Step 6: Final answer
    x = 653,918.40

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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.