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Finding the Fourth Proportional to 610,304.76, 915,497.46 and 210,984.12

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Solution

The fourth proportional to 610,304.76, 915,497.46 and 210,984.12 is: 316,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,304.76 : 915,497.46 = 210,984.12 : x
  2. Step 2: Convert to fraction form
    610,304.76/915,497.46 = 210,984.12/x
  3. Step 3: Cross multiply
    610,304.76x = 915,497.46 × 210,984.12
  4. Step 4: Simplify right side
    610,304.76x = 193,155,425,960.34
  5. Step 5: Solve for x
    x = 193,155,425,960.34/610,304.76
  6. Step 6: Final answer
    x = 316,490.12

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1.5x scale

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.