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Finding the Fourth Proportional to 607,717.12, 910,953.54 and 307,641.28

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Solution

The fourth proportional to 607,717.12, 910,953.54 and 307,641.28 is: 461,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,717.12 : 910,953.54 = 307,641.28 : x
  2. Step 2: Convert to fraction form
    607,717.12/910,953.54 = 307,641.28/x
  3. Step 3: Cross multiply
    607,717.12x = 910,953.54 × 307,641.28
  4. Step 4: Simplify right side
    607,717.12x = 280,246,913,066.13
  5. Step 5: Solve for x
    x = 280,246,913,066.13/607,717.12
  6. Step 6: Final answer
    x = 461,146.98

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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.