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Finding the Fourth Proportional to 606,876.10, 909,111.30 and 532,080.70

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Solution

The fourth proportional to 606,876.10, 909,111.30 and 532,080.70 is: 797,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,876.10 : 909,111.30 = 532,080.70 : x
  2. Step 2: Convert to fraction form
    606,876.10/909,111.30 = 532,080.70/x
  3. Step 3: Cross multiply
    606,876.10x = 909,111.30 × 532,080.70
  4. Step 4: Simplify right side
    606,876.10x = 483,720,576,881.91
  5. Step 5: Solve for x
    x = 483,720,576,881.91/606,876.10
  6. Step 6: Final answer
    x = 797,066.45

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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.