Home / 760,108.02-1,048,932.90-415,942.58

Finding the Fourth Proportional to 760,108.02, 1,048,932.90 and 415,942.58

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Solution

The fourth proportional to 760,108.02, 1,048,932.90 and 415,942.58 is: 573,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,108.02 : 1,048,932.90 = 415,942.58 : x
  2. Step 2: Convert to fraction form
    760,108.02/1,048,932.90 = 415,942.58/x
  3. Step 3: Cross multiply
    760,108.02x = 1,048,932.90 × 415,942.58
  4. Step 4: Simplify right side
    760,108.02x = 436,295,851,428.22
  5. Step 5: Solve for x
    x = 436,295,851,428.22/760,108.02
  6. Step 6: Final answer
    x = 573,991.91

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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.