Home / 554,468.20-831,702.30-519,476.20

Finding the Fourth Proportional to 554,468.20, 831,702.30 and 519,476.20

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Solution

The fourth proportional to 554,468.20, 831,702.30 and 519,476.20 is: 779,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,468.20 : 831,702.30 = 519,476.20 : x
  2. Step 2: Convert to fraction form
    554,468.20/831,702.30 = 519,476.20/x
  3. Step 3: Cross multiply
    554,468.20x = 831,702.30 × 519,476.20
  4. Step 4: Simplify right side
    554,468.20x = 432,049,550,335.26
  5. Step 5: Solve for x
    x = 432,049,550,335.26/554,468.20
  6. Step 6: Final answer
    x = 779,214.30

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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.