Home / 948,429.08-1,308,829.19-512,843.37

Finding the Fourth Proportional to 948,429.08, 1,308,829.19 and 512,843.37

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Solution

The fourth proportional to 948,429.08, 1,308,829.19 and 512,843.37 is: 707,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,429.08 : 1,308,829.19 = 512,843.37 : x
  2. Step 2: Convert to fraction form
    948,429.08/1,308,829.19 = 512,843.37/x
  3. Step 3: Cross multiply
    948,429.08x = 1,308,829.19 × 512,843.37
  4. Step 4: Simplify right side
    948,429.08x = 671,224,369,989.75
  5. Step 5: Solve for x
    x = 671,224,369,989.75/948,429.08
  6. Step 6: Final answer
    x = 707,722.26

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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.