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Finding the Fourth Proportional to 652,305.96, 900,280.62 and 397,804.77

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Solution

The fourth proportional to 652,305.96, 900,280.62 and 397,804.77 is: 549,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,305.96 : 900,280.62 = 397,804.77 : x
  2. Step 2: Convert to fraction form
    652,305.96/900,280.62 = 397,804.77/x
  3. Step 3: Cross multiply
    652,305.96x = 900,280.62 × 397,804.77
  4. Step 4: Simplify right side
    652,305.96x = 358,135,924,974.56
  5. Step 5: Solve for x
    x = 358,135,924,974.56/652,305.96
  6. Step 6: Final answer
    x = 549,030.59

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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.