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Finding the Fourth Proportional to 589,300.40, 813,240.22 and 334,653.42

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Solution

The fourth proportional to 589,300.40, 813,240.22 and 334,653.42 is: 461,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,300.40 : 813,240.22 = 334,653.42 : x
  2. Step 2: Convert to fraction form
    589,300.40/813,240.22 = 334,653.42/x
  3. Step 3: Cross multiply
    589,300.40x = 813,240.22 × 334,653.42
  4. Step 4: Simplify right side
    589,300.40x = 272,153,620,904.55
  5. Step 5: Solve for x
    x = 272,153,620,904.55/589,300.40
  6. Step 6: Final answer
    x = 461,824.94

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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.