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Finding the Fourth Proportional to 587,460.83, 881,011.86 and 406,256.43

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Solution

The fourth proportional to 587,460.83, 881,011.86 and 406,256.43 is: 609,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,460.83 : 881,011.86 = 406,256.43 : x
  2. Step 2: Convert to fraction form
    587,460.83/881,011.86 = 406,256.43/x
  3. Step 3: Cross multiply
    587,460.83x = 881,011.86 × 406,256.43
  4. Step 4: Simplify right side
    587,460.83x = 357,916,733,031.26
  5. Step 5: Solve for x
    x = 357,916,733,031.26/587,460.83
  6. Step 6: Final answer
    x = 609,260.59

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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.