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Finding the Fourth Proportional to 669,905.16, 924,100.02 and 424,440.84

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Solution

The fourth proportional to 669,905.16, 924,100.02 and 424,440.84 is: 585,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,905.16 : 924,100.02 = 424,440.84 : x
  2. Step 2: Convert to fraction form
    669,905.16/924,100.02 = 424,440.84/x
  3. Step 3: Cross multiply
    669,905.16x = 924,100.02 × 424,440.84
  4. Step 4: Simplify right side
    669,905.16x = 392,225,788,732.82
  5. Step 5: Solve for x
    x = 392,225,788,732.82/669,905.16
  6. Step 6: Final answer
    x = 585,494.50

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1.5x scale

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.