Home / 816,052.80-1,126,130.24-453,467.20

Finding the Fourth Proportional to 816,052.80, 1,126,130.24 and 453,467.20

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Solution

The fourth proportional to 816,052.80, 1,126,130.24 and 453,467.20 is: 625,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,052.80 : 1,126,130.24 = 453,467.20 : x
  2. Step 2: Convert to fraction form
    816,052.80/1,126,130.24 = 453,467.20/x
  3. Step 3: Cross multiply
    816,052.80x = 1,126,130.24 × 453,467.20
  4. Step 4: Simplify right side
    816,052.80x = 510,663,126,768.13
  5. Step 5: Solve for x
    x = 510,663,126,768.13/816,052.80
  6. Step 6: Final answer
    x = 625,772.16

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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.