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Finding the Fourth Proportional to 922,788.95, 1,384,624.47 and 502,064.42

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Solution

The fourth proportional to 922,788.95, 1,384,624.47 and 502,064.42 is: 753,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,788.95 : 1,384,624.47 = 502,064.42 : x
  2. Step 2: Convert to fraction form
    922,788.95/1,384,624.47 = 502,064.42/x
  3. Step 3: Cross multiply
    922,788.95x = 1,384,624.47 × 502,064.42
  4. Step 4: Simplify right side
    922,788.95x = 695,170,681,448.36
  5. Step 5: Solve for x
    x = 695,170,681,448.36/922,788.95
  6. Step 6: Final answer
    x = 753,336.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.