Home / 755,416.74-1,042,435.53-415,818.66

Finding the Fourth Proportional to 755,416.74, 1,042,435.53 and 415,818.66

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Solution

The fourth proportional to 755,416.74, 1,042,435.53 and 415,818.66 is: 573,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,416.74 : 1,042,435.53 = 415,818.66 : x
  2. Step 2: Convert to fraction form
    755,416.74/1,042,435.53 = 415,818.66/x
  3. Step 3: Cross multiply
    755,416.74x = 1,042,435.53 × 415,818.66
  4. Step 4: Simplify right side
    755,416.74x = 433,464,145,220.99
  5. Step 5: Solve for x
    x = 433,464,145,220.99/755,416.74
  6. Step 6: Final answer
    x = 573,807.97

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1.5x scale

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.