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Finding the Fourth Proportional to 608,713.61, 840,293.82 and 363,784.77

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Solution

The fourth proportional to 608,713.61, 840,293.82 and 363,784.77 is: 502,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,713.61 : 840,293.82 = 363,784.77 : x
  2. Step 2: Convert to fraction form
    608,713.61/840,293.82 = 363,784.77/x
  3. Step 3: Cross multiply
    608,713.61x = 840,293.82 × 363,784.77
  4. Step 4: Simplify right side
    608,713.61x = 305,686,094,041.12
  5. Step 5: Solve for x
    x = 305,686,094,041.12/608,713.61
  6. Step 6: Final answer
    x = 502,183.77

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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.