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Finding the Fourth Proportional to 669,824.40, 924,315.56 and 616,325.52

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Solution

The fourth proportional to 669,824.40, 924,315.56 and 616,325.52 is: 850,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,824.40 : 924,315.56 = 616,325.52 : x
  2. Step 2: Convert to fraction form
    669,824.40/924,315.56 = 616,325.52/x
  3. Step 3: Cross multiply
    669,824.40x = 924,315.56 × 616,325.52
  4. Step 4: Simplify right side
    669,824.40x = 569,679,268,161.09
  5. Step 5: Solve for x
    x = 569,679,268,161.09/669,824.40
  6. Step 6: Final answer
    x = 850,490.47

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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.