Home / 971,365.16-1,456,916.52-261,435.80

Finding the Fourth Proportional to 971,365.16, 1,456,916.52 and 261,435.80

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Solution

The fourth proportional to 971,365.16, 1,456,916.52 and 261,435.80 is: 392,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,365.16 : 1,456,916.52 = 261,435.80 : x
  2. Step 2: Convert to fraction form
    971,365.16/1,456,916.52 = 261,435.80/x
  3. Step 3: Cross multiply
    971,365.16x = 1,456,916.52 × 261,435.80
  4. Step 4: Simplify right side
    971,365.16x = 380,890,140,562.09
  5. Step 5: Solve for x
    x = 380,890,140,562.09/971,365.16
  6. Step 6: Final answer
    x = 392,118.39

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1.5x scale

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.