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Finding the Fourth Proportional to 612,333.28, 845,041.60 and 336,712.12

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Solution

The fourth proportional to 612,333.28, 845,041.60 and 336,712.12 is: 464,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,333.28 : 845,041.60 = 336,712.12 : x
  2. Step 2: Convert to fraction form
    612,333.28/845,041.60 = 336,712.12/x
  3. Step 3: Cross multiply
    612,333.28x = 845,041.60 × 336,712.12
  4. Step 4: Simplify right side
    612,333.28x = 284,535,748,624.19
  5. Step 5: Solve for x
    x = 284,535,748,624.19/612,333.28
  6. Step 6: Final answer
    x = 464,674.64

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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.