Home / 766,641.85-1,057,967.29-460,722.93

Finding the Fourth Proportional to 766,641.85, 1,057,967.29 and 460,722.93

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Solution

The fourth proportional to 766,641.85, 1,057,967.29 and 460,722.93 is: 635,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,641.85 : 1,057,967.29 = 460,722.93 : x
  2. Step 2: Convert to fraction form
    766,641.85/1,057,967.29 = 460,722.93/x
  3. Step 3: Cross multiply
    766,641.85x = 1,057,967.29 × 460,722.93
  4. Step 4: Simplify right side
    766,641.85x = 487,429,789,692.96
  5. Step 5: Solve for x
    x = 487,429,789,692.96/766,641.85
  6. Step 6: Final answer
    x = 635,798.57

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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.