Home / 763,037.12-1,053,100.84-457,126.64

Finding the Fourth Proportional to 763,037.12, 1,053,100.84 and 457,126.64

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Solution

The fourth proportional to 763,037.12, 1,053,100.84 and 457,126.64 is: 630,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,037.12 : 1,053,100.84 = 457,126.64 : x
  2. Step 2: Convert to fraction form
    763,037.12/1,053,100.84 = 457,126.64/x
  3. Step 3: Cross multiply
    763,037.12x = 1,053,100.84 × 457,126.64
  4. Step 4: Simplify right side
    763,037.12x = 481,400,448,570.38
  5. Step 5: Solve for x
    x = 481,400,448,570.38/763,037.12
  6. Step 6: Final answer
    x = 630,900.43

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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.