Home / 763,863.02-1,053,692.38-476,884.88

Finding the Fourth Proportional to 763,863.02, 1,053,692.38 and 476,884.88

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Solution

The fourth proportional to 763,863.02, 1,053,692.38 and 476,884.88 is: 657,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,863.02 : 1,053,692.38 = 476,884.88 : x
  2. Step 2: Convert to fraction form
    763,863.02/1,053,692.38 = 476,884.88/x
  3. Step 3: Cross multiply
    763,863.02x = 1,053,692.38 × 476,884.88
  4. Step 4: Simplify right side
    763,863.02x = 502,489,964,193.21
  5. Step 5: Solve for x
    x = 502,489,964,193.21/763,863.02
  6. Step 6: Final answer
    x = 657,827.32

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Double scale
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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.