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Finding the Fourth Proportional to 633,275.28, 873,922.23 and 346,792.86

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Solution

The fourth proportional to 633,275.28, 873,922.23 and 346,792.86 is: 478,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,275.28 : 873,922.23 = 346,792.86 : x
  2. Step 2: Convert to fraction form
    633,275.28/873,922.23 = 346,792.86/x
  3. Step 3: Cross multiply
    633,275.28x = 873,922.23 × 346,792.86
  4. Step 4: Simplify right side
    633,275.28x = 303,069,989,559.28
  5. Step 5: Solve for x
    x = 303,069,989,559.28/633,275.28
  6. Step 6: Final answer
    x = 478,575.43

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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.