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Finding the Fourth Proportional to 529,750.67, 793,844.38 and 313,385.63

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Solution

The fourth proportional to 529,750.67, 793,844.38 and 313,385.63 is: 469,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,750.67 : 793,844.38 = 313,385.63 : x
  2. Step 2: Convert to fraction form
    529,750.67/793,844.38 = 313,385.63/x
  3. Step 3: Cross multiply
    529,750.67x = 793,844.38 × 313,385.63
  4. Step 4: Simplify right side
    529,750.67x = 248,779,417,570.77
  5. Step 5: Solve for x
    x = 248,779,417,570.77/529,750.67
  6. Step 6: Final answer
    x = 469,616.06

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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.