Home / 917,252.80-1,374,712.80-442,916.80

Finding the Fourth Proportional to 917,252.80, 1,374,712.80 and 442,916.80

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Solution

The fourth proportional to 917,252.80, 1,374,712.80 and 442,916.80 is: 663,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,252.80 : 1,374,712.80 = 442,916.80 : x
  2. Step 2: Convert to fraction form
    917,252.80/1,374,712.80 = 442,916.80/x
  3. Step 3: Cross multiply
    917,252.80x = 1,374,712.80 × 442,916.80
  4. Step 4: Simplify right side
    917,252.80x = 608,883,394,295.04
  5. Step 5: Solve for x
    x = 608,883,394,295.04/917,252.80
  6. Step 6: Final answer
    x = 663,811.98

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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.