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Finding the Fourth Proportional to 632,872.76, 873,330.71 and 346,337.46

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Solution

The fourth proportional to 632,872.76, 873,330.71 and 346,337.46 is: 477,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,872.76 : 873,330.71 = 346,337.46 : x
  2. Step 2: Convert to fraction form
    632,872.76/873,330.71 = 346,337.46/x
  3. Step 3: Cross multiply
    632,872.76x = 873,330.71 × 346,337.46
  4. Step 4: Simplify right side
    632,872.76x = 302,467,138,109.71
  5. Step 5: Solve for x
    x = 302,467,138,109.71/632,872.76
  6. Step 6: Final answer
    x = 477,927.25

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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.