Home / 797,421.47-1,100,468.21-434,865.17

Finding the Fourth Proportional to 797,421.47, 1,100,468.21 and 434,865.17

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Solution

The fourth proportional to 797,421.47, 1,100,468.21 and 434,865.17 is: 600,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,421.47 : 1,100,468.21 = 434,865.17 : x
  2. Step 2: Convert to fraction form
    797,421.47/1,100,468.21 = 434,865.17/x
  3. Step 3: Cross multiply
    797,421.47x = 1,100,468.21 × 434,865.17
  4. Step 4: Simplify right side
    797,421.47x = 478,555,295,798.09
  5. Step 5: Solve for x
    x = 478,555,295,798.09/797,421.47
  6. Step 6: Final answer
    x = 600,128.43

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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.