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Finding the Fourth Proportional to 671,532.34, 926,686.64 and 369,706.90

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Solution

The fourth proportional to 671,532.34, 926,686.64 and 369,706.90 is: 510,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,532.34 : 926,686.64 = 369,706.90 : x
  2. Step 2: Convert to fraction form
    671,532.34/926,686.64 = 369,706.90/x
  3. Step 3: Cross multiply
    671,532.34x = 926,686.64 × 369,706.90
  4. Step 4: Simplify right side
    671,532.34x = 342,602,444,945.82
  5. Step 5: Solve for x
    x = 342,602,444,945.82/671,532.34
  6. Step 6: Final answer
    x = 510,180.11

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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.