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Finding the Fourth Proportional to 549,575.82, 758,401.06 and 307,856.84

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Solution

The fourth proportional to 549,575.82, 758,401.06 and 307,856.84 is: 424,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,575.82 : 758,401.06 = 307,856.84 : x
  2. Step 2: Convert to fraction form
    549,575.82/758,401.06 = 307,856.84/x
  3. Step 3: Cross multiply
    549,575.82x = 758,401.06 × 307,856.84
  4. Step 4: Simplify right side
    549,575.82x = 233,478,953,784.25
  5. Step 5: Solve for x
    x = 233,478,953,784.25/549,575.82
  6. Step 6: Final answer
    x = 424,834.84

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1.5x scale

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.