Home / 798,422.40-1,101,729.60-476,150.40

Finding the Fourth Proportional to 798,422.40, 1,101,729.60 and 476,150.40

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Solution

The fourth proportional to 798,422.40, 1,101,729.60 and 476,150.40 is: 657,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,422.40 : 1,101,729.60 = 476,150.40 : x
  2. Step 2: Convert to fraction form
    798,422.40/1,101,729.60 = 476,150.40/x
  3. Step 3: Cross multiply
    798,422.40x = 1,101,729.60 × 476,150.40
  4. Step 4: Simplify right side
    798,422.40x = 524,588,989,731.84
  5. Step 5: Solve for x
    x = 524,588,989,731.84/798,422.40
  6. Step 6: Final answer
    x = 657,031.90

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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.