Home / 710,026.02-979,959.96-419,625.18

Finding the Fourth Proportional to 710,026.02, 979,959.96 and 419,625.18

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Solution

The fourth proportional to 710,026.02, 979,959.96 and 419,625.18 is: 579,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,026.02 : 979,959.96 = 419,625.18 : x
  2. Step 2: Convert to fraction form
    710,026.02/979,959.96 = 419,625.18/x
  3. Step 3: Cross multiply
    710,026.02x = 979,959.96 × 419,625.18
  4. Step 4: Simplify right side
    710,026.02x = 411,215,874,607.79
  5. Step 5: Solve for x
    x = 411,215,874,607.79/710,026.02
  6. Step 6: Final answer
    x = 579,156.06

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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.