Home / 549,310.10-824,579.55-513,214.10

Finding the Fourth Proportional to 549,310.10, 824,579.55 and 513,214.10

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Solution

The fourth proportional to 549,310.10, 824,579.55 and 513,214.10 is: 770,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,310.10 : 824,579.55 = 513,214.10 : x
  2. Step 2: Convert to fraction form
    549,310.10/824,579.55 = 513,214.10/x
  3. Step 3: Cross multiply
    549,310.10x = 824,579.55 × 513,214.10
  4. Step 4: Simplify right side
    549,310.10x = 423,185,851,631.66
  5. Step 5: Solve for x
    x = 423,185,851,631.66/549,310.10
  6. Step 6: Final answer
    x = 770,395.18

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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.