Home / 798,468.72-1,101,870.36-435,899.76

Finding the Fourth Proportional to 798,468.72, 1,101,870.36 and 435,899.76

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Solution

The fourth proportional to 798,468.72, 1,101,870.36 and 435,899.76 is: 601,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,468.72 : 1,101,870.36 = 435,899.76 : x
  2. Step 2: Convert to fraction form
    798,468.72/1,101,870.36 = 435,899.76/x
  3. Step 3: Cross multiply
    798,468.72x = 1,101,870.36 × 435,899.76
  4. Step 4: Simplify right side
    798,468.72x = 480,305,025,475.11
  5. Step 5: Solve for x
    x = 480,305,025,475.11/798,468.72
  6. Step 6: Final answer
    x = 601,532.68

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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.