Home / 820,519.48-1,132,240.12-476,264.08

Finding the Fourth Proportional to 820,519.48, 1,132,240.12 and 476,264.08

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Solution

The fourth proportional to 820,519.48, 1,132,240.12 and 476,264.08 is: 657,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,519.48 : 1,132,240.12 = 476,264.08 : x
  2. Step 2: Convert to fraction form
    820,519.48/1,132,240.12 = 476,264.08/x
  3. Step 3: Cross multiply
    820,519.48x = 1,132,240.12 × 476,264.08
  4. Step 4: Simplify right side
    820,519.48x = 539,245,299,090.89
  5. Step 5: Solve for x
    x = 539,245,299,090.89/820,519.48
  6. Step 6: Final answer
    x = 657,199.87

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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.