Home / 816,009.08-1,126,077.59-453,426.34

Finding the Fourth Proportional to 816,009.08, 1,126,077.59 and 453,426.34

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Solution

The fourth proportional to 816,009.08, 1,126,077.59 and 453,426.34 is: 625,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,009.08 : 1,126,077.59 = 453,426.34 : x
  2. Step 2: Convert to fraction form
    816,009.08/1,126,077.59 = 453,426.34/x
  3. Step 3: Cross multiply
    816,009.08x = 1,126,077.59 × 453,426.34
  4. Step 4: Simplify right side
    816,009.08x = 510,593,240,189.72
  5. Step 5: Solve for x
    x = 510,593,240,189.72/816,009.08
  6. Step 6: Final answer
    x = 625,720.05

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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.