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Finding the Fourth Proportional to 586,227.24, 808,936.43 and 328,088.81

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Solution

The fourth proportional to 586,227.24, 808,936.43 and 328,088.81 is: 452,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,227.24 : 808,936.43 = 328,088.81 : x
  2. Step 2: Convert to fraction form
    586,227.24/808,936.43 = 328,088.81/x
  3. Step 3: Cross multiply
    586,227.24x = 808,936.43 × 328,088.81
  4. Step 4: Simplify right side
    586,227.24x = 265,402,991,066.25
  5. Step 5: Solve for x
    x = 265,402,991,066.25/586,227.24
  6. Step 6: Final answer
    x = 452,730.57

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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.