Home / 740,264-1,021,564.86-400,732.52

Finding the Fourth Proportional to 740,264, 1,021,564.86 and 400,732.52

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Solution

The fourth proportional to 740,264, 1,021,564.86 and 400,732.52 is: 553,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,264 : 1,021,564.86 = 400,732.52 : x
  2. Step 2: Convert to fraction form
    740,264/1,021,564.86 = 400,732.52/x
  3. Step 3: Cross multiply
    740,264x = 1,021,564.86 × 400,732.52
  4. Step 4: Simplify right side
    740,264x = 409,374,260,691.25
  5. Step 5: Solve for x
    x = 409,374,260,691.25/740,264
  6. Step 6: Final answer
    x = 553,011.17

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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.