Home / 755,077.08-1,041,771.72-428,336.31

Finding the Fourth Proportional to 755,077.08, 1,041,771.72 and 428,336.31

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Solution

The fourth proportional to 755,077.08, 1,041,771.72 and 428,336.31 is: 590,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,077.08 : 1,041,771.72 = 428,336.31 : x
  2. Step 2: Convert to fraction form
    755,077.08/1,041,771.72 = 428,336.31/x
  3. Step 3: Cross multiply
    755,077.08x = 1,041,771.72 × 428,336.31
  4. Step 4: Simplify right side
    755,077.08x = 446,228,654,407.15
  5. Step 5: Solve for x
    x = 446,228,654,407.15/755,077.08
  6. Step 6: Final answer
    x = 590,971.00

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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.