Home / 917,609.80-1,376,100.96-348,853.72

Finding the Fourth Proportional to 917,609.80, 1,376,100.96 and 348,853.72

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Solution

The fourth proportional to 917,609.80, 1,376,100.96 and 348,853.72 is: 523,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,609.80 : 1,376,100.96 = 348,853.72 : x
  2. Step 2: Convert to fraction form
    917,609.80/1,376,100.96 = 348,853.72/x
  3. Step 3: Cross multiply
    917,609.80x = 1,376,100.96 × 348,853.72
  4. Step 4: Simplify right side
    917,609.80x = 480,057,938,991.57
  5. Step 5: Solve for x
    x = 480,057,938,991.57/917,609.80
  6. Step 6: Final answer
    x = 523,161.30

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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.