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Finding the Fourth Proportional to 926,508, 1,278,581.04 and 502,572

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Solution

The fourth proportional to 926,508, 1,278,581.04 and 502,572 is: 693,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,508 : 1,278,581.04 = 502,572 : x
  2. Step 2: Convert to fraction form
    926,508/1,278,581.04 = 502,572/x
  3. Step 3: Cross multiply
    926,508x = 1,278,581.04 × 502,572
  4. Step 4: Simplify right side
    926,508x = 642,579,030,434.88
  5. Step 5: Solve for x
    x = 642,579,030,434.88/926,508
  6. Step 6: Final answer
    x = 693,549.36

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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.