Home / 554,342.20-831,513.30-549,093.40

Finding the Fourth Proportional to 554,342.20, 831,513.30 and 549,093.40

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Solution

The fourth proportional to 554,342.20, 831,513.30 and 549,093.40 is: 823,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,342.20 : 831,513.30 = 549,093.40 : x
  2. Step 2: Convert to fraction form
    554,342.20/831,513.30 = 549,093.40/x
  3. Step 3: Cross multiply
    554,342.20x = 831,513.30 × 549,093.40
  4. Step 4: Simplify right side
    554,342.20x = 456,578,465,042.22
  5. Step 5: Solve for x
    x = 456,578,465,042.22/554,342.20
  6. Step 6: Final answer
    x = 823,640.10

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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.