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Finding the Fourth Proportional to 549,442.08, 822,686.58 and 348,675.48

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Solution

The fourth proportional to 549,442.08, 822,686.58 and 348,675.48 is: 522,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,442.08 : 822,686.58 = 348,675.48 : x
  2. Step 2: Convert to fraction form
    549,442.08/822,686.58 = 348,675.48/x
  3. Step 3: Cross multiply
    549,442.08x = 822,686.58 × 348,675.48
  4. Step 4: Simplify right side
    549,442.08x = 286,850,638,171.06
  5. Step 5: Solve for x
    x = 286,850,638,171.06/549,442.08
  6. Step 6: Final answer
    x = 522,076.21

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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.