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Finding the Fourth Proportional to 539,068.51, 744,153.66 and 348,175

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Solution

The fourth proportional to 539,068.51, 744,153.66 and 348,175 is: 480,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,068.51 : 744,153.66 = 348,175 : x
  2. Step 2: Convert to fraction form
    539,068.51/744,153.66 = 348,175/x
  3. Step 3: Cross multiply
    539,068.51x = 744,153.66 × 348,175
  4. Step 4: Simplify right side
    539,068.51x = 259,095,700,570.50
  5. Step 5: Solve for x
    x = 259,095,700,570.50/539,068.51
  6. Step 6: Final answer
    x = 480,635.94

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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.