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Finding the Fourth Proportional to 532,848.69, 735,322.61 and 291,126.08

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Solution

The fourth proportional to 532,848.69, 735,322.61 and 291,126.08 is: 401,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,848.69 : 735,322.61 = 291,126.08 : x
  2. Step 2: Convert to fraction form
    532,848.69/735,322.61 = 291,126.08/x
  3. Step 3: Cross multiply
    532,848.69x = 735,322.61 × 291,126.08
  4. Step 4: Simplify right side
    532,848.69x = 214,071,586,035.87
  5. Step 5: Solve for x
    x = 214,071,586,035.87/532,848.69
  6. Step 6: Final answer
    x = 401,749.30

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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.