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Finding the Fourth Proportional to 788,616, 1,088,111.88 and 466,339.68

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Solution

The fourth proportional to 788,616, 1,088,111.88 and 466,339.68 is: 643,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,616 : 1,088,111.88 = 466,339.68 : x
  2. Step 2: Convert to fraction form
    788,616/1,088,111.88 = 466,339.68/x
  3. Step 3: Cross multiply
    788,616x = 1,088,111.88 × 466,339.68
  4. Step 4: Simplify right side
    788,616x = 507,429,745,923.40
  5. Step 5: Solve for x
    x = 507,429,745,923.40/788,616
  6. Step 6: Final answer
    x = 643,443.38

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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.